Devine, S., West, S. L., Andrews, E., Tennis, P., Eaton, S., Thorp, J., & Olshan, A. (2008). Validation of neural tube defects in the full featured\textendashgeneral practice research database. Pharmacoepidemiol Drug Saf. http://doi.org/10.1002/pds.1573
Devine, S., West, S., Andrews, E., Tennis, P., Hammad, T. A., Eaton, S., et al. (2010). The identification of pregnancies within the general practice research database. Pharmacoepidemiol Drug Saf. http://doi.org/10.1002/pds.1862
