TY - RPRT TI - Responsiveness to glucagon in fetal hearts. Species variability and apparent disparities between changes in beating, adenylate cyclase activation, and cyclic AMP concentration. AU - K Wildenthal AU - D O Allen AU - J Karlsson AU - J R Wakeland AU - C M Clark PY - 1976 DO - 10.1172/jci108310 UR - https://pubmed.ncbi.nlm.nih.gov/175087/ ID - 175087 ER -