APA استشهاد

A., K., S., K., N., S., P., P., P., B., & C., B. (2017). Long-term effect of sildenafil on echocardiographic parameters in dogs with asymptomatic myxomatous mitral valve degeneration.

استشهاد بنمط شيكاغو

A., Kijtawornrat, Komolvanich S., Saengklub N., Pirintr P., Boonpala P., و Buranakarl C. Long-term Effect of Sildenafil On Echocardiographic Parameters in Dogs With Asymptomatic Myxomatous Mitral Valve Degeneration. 2017.

MLA استشهاد

A., Kijtawornrat, et al. Long-term Effect of Sildenafil On Echocardiographic Parameters in Dogs With Asymptomatic Myxomatous Mitral Valve Degeneration. 2017.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.