TY - RPRT TI - Receptor-effector coupling by G proteins. AU - L Birnbaumer AU - J Abramowitz AU - A M Brown PY - 1990 DO - 10.1016/0304-4157(90)90007-y UR - https://pubmed.ncbi.nlm.nih.gov/2160274/ ID - 2160274 ER -