APA

Camp M., Chang D. C., Zhang Y., Arnold M., Sharpe L., Gabre-Kidan A., Bathurst M. A. & Abdullah F. (20110207). Provider density and health system facility factors and their relationship to rates of pediatric perforated appendicitis in US counties. : Archives of surgery (Chicago, Ill. : 1960).

Chicago

Camp Melissa, Chang David C, Zhang Yiyi, Arnold Meghan, Sharpe Leilani, Gabre-Kidan Alodia, Bathurst Melinda A and Abdullah Fizan. 20110207. Provider density and health system facility factors and their relationship to rates of pediatric perforated appendicitis in US counties. : Archives of surgery (Chicago, Ill. : 1960).

Harvard

Camp M., Chang D. C., Zhang Y., Arnold M., Sharpe L., Gabre-Kidan A., Bathurst M. A. and Abdullah F. (20110207). Provider density and health system facility factors and their relationship to rates of pediatric perforated appendicitis in US counties. : Archives of surgery (Chicago, Ill. : 1960).

MLA

Camp Melissa, Chang David C, Zhang Yiyi, Arnold Meghan, Sharpe Leilani, Gabre-Kidan Alodia, Bathurst Melinda A and Abdullah Fizan. Provider density and health system facility factors and their relationship to rates of pediatric perforated appendicitis in US counties. : Archives of surgery (Chicago, Ill. : 1960). 20110207.