Birth characteristics and leukemia in childhood.
D001722:Birth Order; D001724:Birth Weight; D002140:California; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007938:Leukemia / Q000401:mortality*; D008297:Male; D008423:Maternal Age; D011159:Population Surveillance; D012737:Sex Factors; D012923:Social Class; D013223:Statistics as Topic