TY - GEN AU - Maconochie,N AU - Roman,E TI - Sex ratios: are there natural variations within the human population? SN - 0306-5456 PY - 1997///1023 KW - Birth Order KW - Family Characteristics KW - Female KW - Forecasting KW - Humans KW - Male KW - Population Surveillance KW - Scotland KW - epidemiology KW - Sex Ratio N1 - Publication Type: Journal Article UR - https://doi.org/10.1111/j.1471-0528.1997.tb12065.x ER -