[Studies on the theophylline content in tea leaves].
D006801:Humans; D013662:Tea; D013805:Theobromine / Q000032:analysis*; D013806:Theophylline / Q000032:analysis*
D013662:Tea; D013806:Theophylline; D013805:Theobromine
THEOBROMINE/determination; THEOPHYLLINE/determination
Untersuchungen über den Theophyllingehalt in Folia Theae.