title: Theory and empiricism in surgical treatment of orofacial clefts.
mesh_terms: D002971:Cleft Lip / Q000453:epidemiology / Q000601:surgery*; D002972:Cleft Palate / Q000453:epidemiology / Q000601:surgery*; D003604:Czechoslovakia; D006801:Humans; D008722:Methods; D013518:Surgery, Plastic