title: Matching and the assumptions of standard frequentist statistics.
authors.forename: Michael S
authors.initials: MS
authors.lastname: Bloom
authors.forename: Brian W
authors.initials: BW
authors.lastname: Whitcomb
mesh_terms: D000026:Abortion, Habitual / Q000453:epidemiology* / Q000517:prevention & control*; D000328:Adult; D000893:Anti-Inflammatory Agents / Q000008:administration & dosage; D000894:Anti-Inflammatory Agents, Non-Steroidal / Q000008:administration & dosage; D001241:Aspirin / Q000008:administration & dosage*; D001317:Austria / Q000453:epidemiology; D015982:Bias; D003627:Data Interpretation, Statistical; D004338:Drug Combinations; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage*; D006397:Hematinics / Q000008:administration & dosage; D006801:Humans; D050498:Live Birth / Q000453:epidemiology*; D016555:Matched-Pair Analysis; D011241:Prednisone / Q000008:administration & dosage*; D011247:Pregnancy; D011374:Progesterone / Q000008:administration & dosage*; D018570:Risk Assessment / Q000379:methods; D012307:Risk Factors; D016896:Treatment Outcome
chemical_list: D000893:Anti-Inflammatory Agents; D000894:Anti-Inflammatory Agents, Non-Steroidal; D004338:Drug Combinations; D006397:Hematinics; D011374:Progesterone; D005492:Folic Acid; D001241:Aspirin; D011241:Prednisone