MacAlpin, R. N. (2017). Significance of a negative sinus P wave in lead V(2) of the clinical electrocardiogram. Ann Noninvasive Electrocardiol.
استشهاد بنمط شيكاغوMacAlpin, Rex N. "Significance of a Negative Sinus P Wave in Lead V(2) of the Clinical Electrocardiogram." Ann Noninvasive Electrocardiol 2017.
MLA استشهادMacAlpin, Rex N. "Significance of a Negative Sinus P Wave in Lead V(2) of the Clinical Electrocardiogram." Ann Noninvasive Electrocardiol 2017.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.