[RECENT RESEARCH ON THE ACTIVE SUBSTANCES PRESENT IN THE CNS OF LOWER VERTEBRATES].
D000818:Animals; D001001:Anura; D001681:Biological Assay; D001921:Brain; D002918:Chymotrypsin; D005260:Female; D041981:Gastrointestinal Tract; D006632:Histamine; D006801:Humans; D009130:Muscle, Smooth; D010455:Peptides; D012106:Research; D012701:Serotonin; D014020:Tissue Extracts; D014599:Uterus
D010455:Peptides; D014020:Tissue Extracts; D012701:Serotonin; D006632:Histamine; D002918:Chymotrypsin
BIOLOGICAL ASSAY; BRAIN; CHYMOTRYPSIN; EXPERIMENTAL LAB STUDY; FROGS; GASTROINTESTINAL SYSTEM; HISTAMINE; MUSCLE, SMOOTH; PEPTIDES; SEROTONIN; TISSUE EXTRACTS; UTERUS
ULTERIORI RICERCHE SULLE SOSTANZE ATTIVE PRESENTI NEL S.N.C. DEI VERTEBRATI INFERIORI.