pA, a new scale for the measurement of drug antagonism. 1947.
Schild
H O
HO
D000109:Acetylcholine / Q000037:antagonists & inhibitors / Q000266:history*; D000818:Animals; D004336:Drug Antagonism; D006168:Guinea Pigs; D006633:Histamine Antagonists / Q000266:history* / Q000494:pharmacology; D049673:History, 20th Century; D007082:Ileum / Q000187:drug effects* / Q000378:metabolism; D015203:Reproducibility of Results
D006633:Histamine Antagonists; D000109:Acetylcholine