APA
Lopes M. R., . (19970423). [Medical ethics at this end of the century]. : Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology.
Chicago
Lopes M R, . 19970423. [Medical ethics at this end of the century]. : Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology.
Harvard
Lopes M. R., . (19970423). [Medical ethics at this end of the century]. : Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology.
MLA
Lopes M R, . [Medical ethics at this end of the century]. : Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology. 19970423.