TY - BOOK ED - Pan American Health Organization TI - Perinatal factors affecting human development: proceedings of the special session held during the Eighth Meeting of the PAHO Advisory Committee on Medical Research, 10 June 1969 SN - 9275111855 PY - 1969/// CY - Washington, D.C. PB - Pan American Health Organization KW - Perinatology KW - congresses KW - Embryonic and fetal development KW - Obstetric labor complications ER -