Welch, K. J. (1982). Complications of pediatric surgery prevention and management. Saunders Company.
Lua i Stíl Chicago (17ú heag.)Welch, Kenneth J. Complications of Pediatric Surgery Prevention and Management. EUE: Saunders Company, 1982.
Lua MLA (9ú heag.)Welch, Kenneth J. Complications of Pediatric Surgery Prevention and Management. Saunders Company, 1982.
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