Evaluating Progestogens for Preventing Preterm birth International Collaborative (EPPPIC): meta-analysis of individual participant data from randomised controlled trials
Stewart, L. A., Simmonds, M., Duley, L., Llewellyn, A., Sharif, S., Walker, R. A., Beresford, L., Wright, K., Aboulghar, M. M., Alfirevic, Z., Azargoon, A., Bagga, R., Bahrami, E., Blackwell, S. C., Caritis, S. N., Combs, C. A., Croswell, J. M., Crowther, C. A., Das, A. F., Dickersin, K., Dietz, K. C., Elimian, A., Grobman, W. A., Hodkinson, A., Maurel, K. A., McKenna, D. S., Mol, B. W., Moley, K., Mueller, J., Nassar, A., Norman, J. E., Norrie, J., O'Brien, J. M., Porcher, R., Rajaram, S., Rode, L., Rouse, D. J., Sakala, C., Schuit, E., Senat, M., Simpson, J. L., Smith, K., Tabor, A., Thom, E. A., van Os, M. A., Whitlock, E. P., Wood, S., Walley, T., The EPPPIC Group