Case-control studies using only malformed infants: are we interpreting the results correctly?
Prieto
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Martínez-Frías
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ML
D000014:Abnormalities, Drug-Induced / Q000453:epidemiology / Q000209:etiology*; D016022:Case-Control Studies; D000013:Congenital Abnormalities; D003627:Data Interpretation, Statistical; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D016017:Odds Ratio; D011247:Pregnancy; D018570:Risk Assessment; D016135:Spinal Dysraphism / Q000139:chemically induced* / Q000453:epidemiology; D014635:Valproic Acid / Q000009:adverse effects*
D014635:Valproic Acid