Araya OS, Ford JH. An investigation of the type of photosensitization caused by the ingestion of St John's wort (Hypericum perforatum) by calves. J Comp Path 1981 91: 135-141
Barbagallo C, Chisari G. Antimicrobial activity of three Hypericum species. Filoterapia 1987; 58: 175 177
Bergman R, Nubner J, Demling J. Behandlung leichter gis mittelschwer depressionen. Therapiewoch Neurologie/Psychiatrie 1993, 7: 235-240
Bladt S, Wagner H. Inhibition of MAO by fractions and constituents of hypericum extract. J Geriatr Psychiatry Neurol 1994; 7: S57-59
Brockmoller, J., Reum, T., Bauer, S. et al. (1997) Hypericin and pseudohypericin: phamacokinetics and effects on photosensitivity in humans. Pharmacopsychiatry 30(suppl 2);94-101.
Cooper WC, James J. An observational study of the safety and efficacy of hypericin in HIV+ subjects. Int Conf AIDS 1990; 6: 369 (abstract no. 2063)
Degar S, Prince A, Pascual D. Inactivation of the human immunodeficiency virus by hypericin. Evidence for photo chemical alterations of p24 and a block in uncoating. AIDS Res Human Retrovir 1992; 8: 1929-1936
De Smet PAG, Nolen W. St John's wort as an antidepressant. BMJ 1996; 313: 241-242
Ernst E. St John's wort, an antidepressant? A systematic, criteria based review. Phytomed 1995; 2: 67-71
Furner V, Bek M, Gold J. A Phase I/II unblinded dose ranging study of hypericin in HIV-positive subjects. Int Conf AIDS 1991; 7: 199 (abstract no. W.B.2071).
Gastpar M, Singer A, Zeller K. Efficacy and tolerability of hypericum extract STW3 in long-term treatment with a once-daily dosage in comparison with sertraline. Pharmacopsychiatry. 2005;38(2):78-86.
Gulick R, Lui H, Anderson R et al. Human hypericism. A photosensitivity reaction to hypericin (St John's wort ). Int Conf AIDS 1992, 8: B90 (abstract no. PoB 3018)
Halama P. Efficacy of the Hypericum extract LI 160 in the treatment of 50 patients of a psychiatrist. Nervenheilkunde 1991;10: 305-307
Hansgren D, Vesper J, Ploch M. Multicenter double-blind study examining the antidepressant effectiveness of the hypericum extract LI 160. J Geriatr Psychiatry Neurol 1994, 7: S15-18
Harrer G, Schulz V. Clinical investigation of the antidepressant effectiveness of Hypericum. J Geriatr Psychiatry Neurol 1994; 7: S6-8
Harrer G, Sommer H. Treatment of mild/moderate depressions with Hypericum. Phytomed 1994; 1: 3-8
Harrer G, Hubner WD, Podzuweit H. Effectiveness and tolerance of the hypericum extract LI 160 compared to maprotiline. A multicenter double-blind study. J Geriatr Psychiatry Neurol 1994; 7: S24 28
Henry JA, Alexander CA, Sener EK. Relative mortality from overdose of antidepressants. Br Med J 1995; 310: 221-224
Hobbs C. St John's wort, Hypericum perforatum L. HerbalGram 1989; 18/19: 24 33
Holzl J, Demisch L, Gollnik B. Investigations about antidepressive and mood changing effects of Hypericum perforatum. Planta Med 1989; 55: 643
Hubner WD, Lande S, Podzuweit H. Hypericum treatment of mild depressions with somatic symptoms. J Geriatr Psychiatry Neurol 1994; 7: S12-14
James JS. AIDS Treatment News 1989; 74
James JS. AIDS Treatment News 1989; 91
James, J. S. (1992) Hypericin. AIDS treatment News 146;1-4.
Johnson D, Ksciuk H, Woelk H et al. Effects of hypericum extract LI 160 compared with maprotiline on resting EEG and evoked potentials in 24 volunteers. J Geriatr Psychiatry Neurol 1994; 7: S44-46
Laakman, G., Schule, C., Baghai, T., Kieser, M. St. John's wort in mild to moderate depression: the relevance of hyperforin for the clinical efficacy. Pharmacopsychiatry 31 (Suppl 1);54-59.
Lavie D. Antiviral pharmaceutical compositions containing hypericin or pseudohypericin. European Patent Application, No. 87111467.4, filed 8/8/87, European Patent Office. Publ No. 0 256 A2. 175-177. 1987
Lavie G, Valentin F et al. Studies of the mechanism of action of the antiretroviral agents hypericin and pseudohypericin. Proc Natl Acad Sci 1989; 86: 5963-5967.
Lee A, Minhas R, Matsuda N et al. The safety of St. John's wort (Hypericum perforatum) during breastfeeding. J Clin Psychiatry. 2003;64(8):966-8.
Lieberman, S. (1998) Nutriceutical Review of St. John's Wort. J Women's Health 7;177-182.
Linde K et al. St John's wort for depression - an overview and meta-analysis of randomised clinical trials. BMJ 1996; 313: 253-58.
Linde K, Berner MM, Kriston L. St John’s wort for major depression. Cochrane Database of Systematic Reviews 2008, Issue 4.
Martinez B, Kasper S, Ruhrmann S et al. Hypericum in the treatment of seasonal affective disorders. J Geriatr Psychiatry Neurol 1994; 7: S29-33
Meruelo D, Lavie G, Lavie D. Therapeutic agents with dramatic antiretroviral activity and liffle toxicity at effective doses. Aromatic polycyclic diones hypericin and pseudohypericin. Proc Natl Acad Sci 1988; 85: 5230-5234
Morazzoni P, Bombardellie E. Hypericum perforatum. Milan: Indena. 1994
Muldner VH, Zoller M. Antidepressive wirkung eines auf den wirkstoffkomplex hypericin standardisierten hypericum-extrakes. Arzneim Forsch 1984; 34: 918
Okpanyi VSN, Weischer ML. Tierexperimentelle untersuchungen zur psychotropen wirksamkeit eines hypericum-extraktes. Arzneim Forsch 1987; 37: 10-13
Perovic S, Muller WEG. Pharmacological profile of hypericum extract. Effect of serotonin uptake by postsynaptic receptors. Arzneim Forsch 1995; 45: 1145-1148
Quandt J, Scmidt U, Schenk N. Ambulante behandlung leichter und mittelschwerer depressiver verstiimmungen. Der Allgemeinarzt 1993; 2: 97-102
Reh C, Laux P, Schenk N. Hypericum-extrakt bei depressionen eine wirksame alternative. Therapeiwoche 1992, 42: 1576-1581
Schmidt U, Sommer H. St John's wort extract in the ambulatory therapy of depression. Attention and reaction ability are preserved. Fortschr Med 1993,111: 339-342
Schmidt U, Schenk N, Schwarz N et al. The therapy of depressive moods. Psycho 1989; 15: 665-671.
Shelton RC, Keller MB, Gelenberg A et al. Effectiveness of St John’s wort in major depression: a randomized controlled trial. JAMA 2001;285:1978-1986.
Siegers CP, Biel S, Wilhelm KP. Zur frage der phototoxizitat von hypericum. 1993; 12: 320-322
Snow, J. M. (1997) Hypericum perforatum L. (Hypericaceae). Prot J Bot Med 2;16.
Someya H. Effect of a constituent of Hypericum erectum on infection and multiplication of Epstein-Barr virus. J Tokyo Med Coll 1985; 43: 815-826
Sommer H, Harrer G. Placebo-controlled double-blind study examining the effectiveness of an hypericum preparation in 105 mildly depressed patients. J Geriatr Psychiatry Neurol 1994; 7: S9-11
Staffeldt B et al. Pharmacokinetics of hypericin and pseudohypericin after oral intake of the Hypericum perforatum extract LI 160 in healthy volunteers. J Geriatr Psychiatry Neurol 1994, 7: S47-53
Steinbeck-Klose A, Wernet P. Successful long term treatment over 40 months of HIV-patients with intravenous Hypericin. Int Conf AIDS 1993; 9: 470 (abstract no. PO-B26-2012)
Suzuki O et al.: Inhibition of monoamine oxidase by hypericin. Planta Medica 1984; 50: 272-274.
Szegedi A, Kohnen R, Dienel A, Kieser M. Acute treatment of moderate to severe depression with hypericum extract WS 5570 (St John's wort): randomised controlled double blind non-inferiority trial versus paroxetine. BMJ. 2005;330 (7490):503.
Thiede HM, Walper A. Inhibition of MAO and COMT by hypericum extracts and hypericin. J Geriatr Psychiatry Neurol 1994; 7: S54-56
Thiele B; Brink I, Ploch M. Modulation of cytokine expression by hypericum extract. J Geriatr Psychiatry Neurol 1994; 7: S60-62
Valentine FT, Lavie G, Levin B et al. Synthetic hypericin enters blood Iymphocytes and monocytes in vitro and decreases culturable HIV in blood obtained from infected individuals. Int Conf AIDS 1991; 7: 97 (abstract no. W.A.1022)
Vorbach EU, Hubner WD, Arnoldt KH. Effectiveness and tolerance of the hypericum extract LI 160 in comparison with imipramine. Randomized double-blind study with 135 outpatients. J Geriatr Psychiatry Neurol 1994; 7: S19-23
Vorbach, E. U., Arnoldt, K. H., Hubner, W.D. (1997) Efficacy and tolerability of St. John's wort extract LI 160 versus imipramine in patients with serve depressive episodes according to ICD-10. Pharmacopsychiatry 30(suppl);31-35.
Woelk H, Burkard G, Grunwald J. Benefits and risks of the hypericum extract LI 160. drug monitoring study with 3250 patients. J Geriatr Psychiatry Nerol 1994; 7: S34-38
Woelk H, 'Comparison of St John's wort and imipramine for treating depression: randomised controlled trial', BMJ 2000; 321: 536-539.