Included were 5,128 CL/P cases , 1,745 CPO cases , and 3,712 controls ( like-sexed , non-malformed liveborn infant , born immediately after a malformed one , in the same hospital ) , over 4,199,630 consecutive births .
O O O B-DiseaseOrPhenotypicFeature O O O B-DiseaseOrPhenotypicFeature O O O O O O O O O O O O O O O O O O O O O O O O O O O O O O