K. Klein,E. M. McClure,D. Colaci,V. Thorsten,P. L. Hibberd,F. Esamai,A. Garces,A. Patel,S. Saleem,O. Pasha,E. Chomba,W. A. Carlo,N. F. Krebs,S. Goudar,R. J. Derman,E. A. Liechty,M. Koso-Thomas,P. M. Buekens,J. M. Belizán,R. L. Goldenberg and F. Althabe. The Antenatal Corticosteroids Trial (ACT): a secondary analysis to explore site differences in a multi-country trial. Reprod Health. 2016;13(1):10.1186/s12978-016-0179-z.
