Validation of algorithms to ascertain clinical conditions and medical procedures used during pregnancy.
Andrade SE, Moore Simas TA, Boudreau D, Raebel MA, Toh S, Syat B, Dashevsky I, Platt R. Validation of algorithms to ascertain clinical conditions and medical procedures used during pregnancy. Pharmacoepidemiol Drug Saf. 2011 Nov; 20(11):1168-76.