TY - GEN AU - Thompson,B AU - Samphier,M AU - Hall,M H TI - The Aberdeen Obstetric Data Bank SN - 0001-5660 PY - 1981///0424 KW - Data Collection KW - Female KW - Gynecology KW - Humans KW - Obstetrics KW - Pregnancy KW - Registries KW - Scotland KW - Twins N1 - Publication Type: Journal Article ER -