TY  - RPRT
TI  - Genetics of obstetrical variables. A study from the collaborative perinatal project.
AU  - A F Naylor
AU  - D Warburton
PY  - 1974
DO  - 10.1111/j.1399-0004.1974.tb02259.x
UR  - https://pubmed.ncbi.nlm.nih.gov/4434652/
ID  - 4434652
ER  -