Gunawan, R., A. Kosasih, O. Lilyasari, A. Joesoef, and R. Kaligis. “Correlation Between Circulating Leptin Level With Left Ventricle Mass in Normotensive Men”. Indonesian Journal of Cardiology, Vol. 28, no. 5, 1, pp. 343-5, doi:10.30701/ijc.v28i5.220.