Gallstone ileus

MLA

Clavien, P. A., et al. “Gallstone Ileus.” British Journal of Surgery, vol. 77, no. 7, July 1990, p. 737. EBSCOhost, widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.9404405&authtype=sso&custid=ns315887.

APA

Clavien, P.-A., Richon, J., Burgan, S., & Rohner, A. (1990, July 1). Gallstone ileus. British Journal of Surgery, 77(7), 737.

Chicago

Clavien, P.-A, J. Richon, S. Burgan, and A. Rohner. 1990. “Gallstone Ileus.” British Journal of Surgery, July 1. http://widgets.ebscohost.com/prod/customlink/proxify/proxify.php?count=1&encode=0&proxy=&find_1=&replace_1=&target=https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&scope=site&db=edsggo&AN=edsgcl.9404405&authtype=sso&custid=ns315887.