Cite
[Prospective study of duodenal ulcer. Analysis of prognostic factors].
MLA
Guerreiro, S., et al. “[Prospective Study of Duodenal Ulcer. Analysis of Prognostic Factors].” Acta Medica Portuguesa, vol. 4, no. 4, July 1991, pp. 191–97. 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=cmedm&AN=1767711&authtype=sso&custid=ns315887.
APA
Guerreiro, S., Neves, B., Va, S., Pires, M., Gouveia, A., & Quina, M. (1991). [Prospective study of duodenal ulcer. Analysis of prognostic factors]. Acta Medica Portuguesa, 4(4), 191–197.
Chicago
Guerreiro, S, B Neves, S Va, M Pires, A Gouveia, and M Quina. 1991. “[Prospective Study of Duodenal Ulcer. Analysis of Prognostic Factors].” Acta Medica Portuguesa 4 (4): 191–97. 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=cmedm&AN=1767711&authtype=sso&custid=ns315887.