Sensitivity and Specificity of Computerized Algorithms to Classify Gestational Periods in the Absence of Information on Date of Conception - Toh, Sengwee; Mitchell, Allen A.; Werler, Martha M.; Hernández-Díaz, Sonia (American journal of epidemiology, 2008)
Keywords: Adolescent; Adult; Algorithms; Anti-Infective Agents - adverse effects; Birth defects; Drug Prescriptions; Drug-Related Side Effects and Adverse Reactions; Drugs; Epidemiology; factual; Female; Fertilization; Gestational Age; Humans; Medical research; Middle Aged; Online data bases; Perinatal Care; Pregnancy; Pregnancy Outcome; Pregnancy Trimester, First; sensitivity and specificity; Time Factors; validation studies; Validity; Canada; USA; databases, factual; validation studies; sensitivity and specificity; pregnancy