Unpublished completed obstetric randomized clinical trials registered at ClinicalTrials.gov: how big is this issue?

Autor:	Gupta, Megha, Oliver, Emily A., Chauhan, Suneet P., Wagner, Stephen M., Mol, Ben, Berghella, Vincenzo
Zdroj:	In American Journal of Obstetrics & Gynecology MFM September 2023 5(9)
Databáze:	ScienceDirect
Externí odkaz:	Zobrazit plný text záznamu Full Text from ScienceDirect