TY - GEN AU - Fidell,L S AU - Keith-Spiegel,P AU - Hoffman,D TI - Complications in selection of sex of children SN - 0002-9378 PY - 1979///0401 KW - Birth Order KW - Human Characteristics KW - Humans KW - Sex Preselection KW - Social Change N1 - Publication Type: Journal Article UR - https://doi.org/10.1016/0002-9378(76)90624-4 ER -