[Comparative determinations of the active ingredients in coffee, tea and cacao].
D002099:Cacao / Q000032:analysis*; D003069:Coffee / Q000032:analysis*; D005504:Food Analysis; D013662:Tea / Q000032:analysis*
D003069:Coffee; D013662:Tea
Vergleichende Bestimmungen von Wirkstoffen in Kaffee, Tee, Kakao.