SEASONAL VARIATION IN CONGENITAL  ABNORMALITIES. PRELIMINARY REPORT OF A SURVEY CONDUCTED BY THE RESEARCH COMMITTEE OF    COUNCIL OF THE COLLEGE OF GENERAL PRACTITIONERS.
D002980:Climate; D000013:Congenital Abnormalities; D003625:Data Collection; D004739:England; D058005:General Practitioners; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases; D009017:Morbidity; D012621:Seasons; D013223:Statistics as Topic; D014798:Vital Statistics; D014852:Wales
ABNORMALITIES; ENGLAND; INFANT, NEWBORN; INFANT, NEWBORN, DISEASES; MORBIDITY; SEASONS; STATISTICS; VITAL STATISTICS; WALES