TY - RPRT TI - Drug safety in pregnancy: review of study approaches required by regulatory agencies AU - Margulis, A. V. AU - Anthony, M. S. AU - Rivero-Ferrer, E. PY - 2019 DO - 10.1101/640128 UR - https://www.biorxiv.org/content/10.1101/640128v1 ID - 10.1101/640128 ER -