[CONTRIBUTION OF JAN EV. PURKYN E TO THE  ISOLATION OF OPIUM BOHEMICUM].
D049671:History, 18th Century; D049672:History, 19th Century; D009892:Opium
D009892:Opium
BIOGRAPHIES; HISTORY; OPIUM
P R'INOS JANA EV. PURKYN E PRO V'YZKUM OPIUM BOHEMICUM.