1. Volume 29, Issue 10, Pages 1199-1205 (October 2013)
Are all skilled birth attendants created equal? A cluster randomised controlled study of non-physician based obstetric care in primary health care clinics in Mexico 
Dilys Walker, MD, Lisa DeMaria, MPH, Dolores Gonzalez-Hernandez,, Masters in Rural Development, Aldanely Padron-Salas,, Masters in Public Health, Minerva Romero-Alvarez, MD, Leticia Suarez,, Masters in Demography 
Midwifery 
Volume 29, Issue 10, Pages (October 2013)
DOI: /j.midw
Copyright © 2013 Elsevier Ltd Terms and Conditions

2. Fig. 1
Sample selection.
Midwifery  , DOI: ( /j.midw )
Copyright © 2013 Elsevier Ltd Terms and Conditions