PT - JOURNAL ARTICLE AU - G. R. Fraser AU - J. S. Calnan TI - Cleft Lip and Palate: Seasonal Incidence, Birth Weight, Birth Rank, Sex, Site, Associated Malformations and Parental Age AID - 10.1136/adc.36.188.420 DP - 1961 Aug 01 TA - Archives of Disease in Childhood PG - 420--423 VI - 36 IP - 188 4099 - http://adc.bmj.com/content/36/188/420.short 4100 - http://adc.bmj.com/content/36/188/420.full SO - Arch Dis Child1961 Aug 01; 36