RT Journal Article SR Electronic T1 St. John's wort and schizophrenia JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 262 OP 263 VO 163 IS 3 A1 Lal, Samarthji A1 Iskandar, Hani YR 2000 UL http://www.cmaj.ca/content/163/3/262.4.abstract