TY - BOOK AU - Palmore,Erdman Ballagh AU - Jeffers,Frances C. TI - Prediction of life span: recent findings SN - 0669737755 AV - QP85 .P67 U1 - 612.6/8 PY - 1971///] CY - Lexington, Mass. PB - Heath Lexington Books KW - Life expectancy KW - Addresses, essays, lectures KW - Local N1 - 921004; Includes bibliographies ER -