An analysis of pediatric surgery in North America and Northwestern Europe.
D002170:Canada; D005060:Europe; D013502:General Surgery / Q000193:education / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010372:Pediatrics / Q000193:education / Q000266:history; D014481:United States; D000078329:Workforce