Hazards of the first nine months: an epidemiologist's nightmare.
D000014:Abnormalities, Drug-Induced / Q000453:epidemiology; D002648:Child; D002675:Child, Preschool; D003677:Deficiency Diseases / Q000453:epidemiology; D004032:Diet; D004739:England; D005260:Female; D005313:Fetal Death; D005315:Fetal Diseases / Q000453:epidemiology*; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D007494:Ireland; D008297:Male; D009369:Neoplasms / Q000139:chemically induced / Q000453:epidemiology; D011247:Pregnancy; D011248:Pregnancy Complications / Q000453:epidemiology*; D011831:Radiation Genetics; D012907:Smoking / Q000150:complications; D014777:Virus Diseases / Q000453:epidemiology