Evaluating perinatal mortality rates: effects of referral and case mix. [electronic resource]
- BMJ (Clinical research ed.) Mar 1993
- 824-7 p. digital
Publication Type: Journal Article; Research Support, Non-U.S. Gov't
0959-8138
10.1136/bmj.306.6881.824 doi
Case-Control Studies Delivery, Obstetric Diagnosis-Related Groups England--epidemiology Family Practice Female Hospitalization Humans Infant Mortality Infant, Newborn Pregnancy Prenatal Care Referral and Consultation Risk Factors