APA
Antunes P. E., Antunes M. J. & Franco C. G. (19930812). [Coronary revascularization with the double internal mammary artery]. : 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
Antunes P E, Antunes M J and Franco C G. 19930812. [Coronary revascularization with the double internal mammary artery]. : 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
Antunes P. E., Antunes M. J. and Franco C. G. (19930812). [Coronary revascularization with the double internal mammary artery]. : 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
Antunes P E, Antunes M J and Franco C G. [Coronary revascularization with the double internal mammary artery]. : Revista portuguesa de cardiologia : orgao oficial da Sociedade Portuguesa de Cardiologia = Portuguese journal of cardiology : an official journal of the Portuguese Society of Cardiology. 19930812.