Jacob Helm's observations and experiments on human digestion; a one hundred and fiftieth anniversary.
D000846:Anniversaries and Special Events; D004063:Digestion; D041981:Gastrointestinal Tract / Q000502:physiology*; D049671:History, 18th Century; D049672:History, 19th Century; D012107:Research Design
BIOGRAPHIES; GASTROINTESTINAL SYSTEM/physiology