TY - JOUR AN - 29 AU - Staffeldt,B. AU - Kerb,R. AU - Brockmoller,J. AU - Ploch,M. AU - Roots,I. TI - Pharmacokinetics of hypericin and pseudohypericin after oral intake of the hypericum perforatum extract LI 160 in healthy volunteers. JO - J Geriat Psychiat Neurol. PY - 1994 VL - 7 SP - S47-53 M2 - S47 ER -