TY - BOOK AU - AU - Enna, S. J.;Samorajski, T.;Beer, Bernard. ED - ED - ED - ED - SN - 890046433 SN - 2 PY - 1981///];copyright 1981.46 CY - New York PB - Raven Press KW - KW - 2 KW - 0 KW - 6 KW - 20 KW - Aging;Congresses.;Congresses.;Congresses.;Diseases;Age factors;Congresses.;Congresses.;Disorders;Age factors;Congresses.;Physiopathology.;In old age.;In old age KW - Brain;Neurotransmitters;Neurotransmitter receptors;Brain;Senile dementia;Neural transmission;Brain;Mental disorders;Neural transmission;Receptors, Sensory N1 - Papers presented at a symposium held in Houston, Tex., Oct. 1980; Includes bibliographies and index; 5 ER -