Citação norma APA

Petkow Dimitrow, P., Cotrim, C., & Cheng, T. O. (2014). Need for a standardized protocol for stress echocardiography in provoking subaortic and valvular gradient in various cardiac conditions. BioMed Central.

Citação norma Chicago

Petkow Dimitrow, Pawel, Carlos Cotrim, and Tsung O. Cheng. Need for a Standardized Protocol for Stress Echocardiography in Provoking Subaortic and Valvular Gradient in Various Cardiac Conditions. BioMed Central, 2014.

Citação norma MLA

Petkow Dimitrow, Pawel, Carlos Cotrim, and Tsung O. Cheng. Need for a Standardized Protocol for Stress Echocardiography in Provoking Subaortic and Valvular Gradient in Various Cardiac Conditions. BioMed Central, 2014.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.