M. R. Juárez Conrado, J. L. Celiz Reyes, F. G. Vanegas Urey, and S. L. Cerna Sandoval, “Serum levels of leptin, estrogen and their relationship with adiposity and body weight in postmenopausal nicaraguan women ”, Universitas, vol. 16, no. 2, pp. 22–28, Aug. 2025.