Journal
INTERNATIONAL JOURNAL OF EPIDEMIOLOGY
Volume 31, Issue 5, Pages 1071-1073Publisher
OXFORD UNIV PRESS
DOI: 10.1093/ije/31.5.1071
Keywords
Perinatology; neonatology; neonatal mortality; perinatal mortality; regionalization; birthweight; low-risk birth; volume-outcome relationships; health facility size; *statistics & numerical data; hospitals; maternity; *standards; *utilization