TY - GEN AU - Czeizel,E AU - Tusnády,G AU - Domány,Z TI - [Genetic aspects of the demographic consequences of family planning] SN - 0030-6002 PY - 1970///0317 KW - Demography KW - Family Planning Services KW - Genetics, Medical KW - Humans KW - Hungary KW - Vital Statistics N1 - Publication Type: Journal Article ER -