TY  - RPRT
TI  - The use of functional antagonism to determine whether beta-adrenoceptor agonists must have a lower efficacy than isoprenaline to be trachea-atria selective in vitro in guinea-pigs.
AU  - S R O'Donnell
AU  - J C Wanstall
PY  - 1977
DO  - 10.1111/j.1476-5381.1977.tb07748.x
UR  - https://pubmed.ncbi.nlm.nih.gov/18249/
ID  - 18249
ER  -