Não informado. Western journal of surgery, obstetrics and gynecology. Seattle Surgical Society.
Citação do estilo Chicago (17ª ed.)Não informado. Western Journal of Surgery, Obstetrics and Gynecology. Portland, Ore: Seattle Surgical Society.
Citação MLA (8ª ed.)Não informado. Western Journal of Surgery, Obstetrics and Gynecology. Seattle Surgical Society.
警告：這些引文格式不一定是100％准確.