Template:Ref-Pirrie1947
From Embryology
Swan C. Rubella in pregnancy and congenital defects. (1947) Br Med J. 17;1(4506): 694. PMID 20343527
Swan C. Rubella in pregnancy and congenital defects. (1947) Br Med J. 17;1(4506): 694. PMID 20343527