The incidence of harelip and cleft palate related to birth rank and maternal age.

This publication has 3 references indexed in Scilit:

• A study of the incidence of cleft lip and cleft palate in Ontario.
  1951
• THE INCIDENCE OF CONGENITAL PYLORIC STENOSIS RELATED TO BIRTH RANK AND MATERNAL AGE
  Annals of Eugenics, 1951