scholarly journals Constructing a cohort of nulliparous, term, singleton, vertex births from electronic health records

2022 ◽  
Vol 226 (1) ◽  
pp. S521-S522
Author(s):  
Alison Callahan ◽  
Gayathree Murugappan ◽  
Elliott K. Main ◽  
Stephanie A. Leonard
2016 ◽  
Vol 34 (2) ◽  
pp. 163-165 ◽  
Author(s):  
William B. Ventres ◽  
Richard M. Frankel

Sign in / Sign up

Export Citation Format

Share Document