Malformations reported on birth certificates following influenza epidemics.
D001719:Birth Certificates; D002971:Cleft Lip / Q000453:epidemiology; D000013:Congenital Abnormalities / Q000453:epidemiology*; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007251:Influenza, Human / Q000150:complications*; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious; D006113:United Kingdom; D014481:United States