Brief Article
Copyright ©2012 Baishideng Publishing Group Co.
World J Gastroenterol. Apr 14, 2012; 18(14): 1689-1694
Published online Apr 14, 2012. doi: 10.3748/wjg.v18.i14.1689
Table 3 Distribution of the first authors' hospital level
Acute cholecystitisChronic cholecystitisAcute exacerbation of chronic cholecystitisCholecystitis complicated by cholelithiasisOther diseases complicated by cholecystitisTotal
Level-3 hospitals1071491016335464
Level-2 hospitals106197519337538
Level-1 hospitals and others76132116328400
Medical schools and universities426016551
Research institutes0706215