725: The obstetric clinical trial landscape: a characterization of clinicaltrials.gov investigations from 2007-2018
Autor: | Anna I. Girsen, Alison A. Conway, Brannon T. Weeks, Deirdre J. Lyell, Jecca R. Steinberg, Brandon M. Turner, Irogue Igbinosa, Katelyn Chan, Wendy Y. Zhang, Yasser Y. El-Sayed, Jill N. Anderson, Griselda Reyes, Sarah E. Lindsay |
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Rok vydání: | 2020 |
Předmět: | |
Zdroj: | American Journal of Obstetrics and Gynecology. 222:S459-S460 |
ISSN: | 0002-9378 |
DOI: | 10.1016/j.ajog.2019.11.739 |
Databáze: | OpenAIRE |
Externí odkaz: |