Tirtamulia, Kristellina Sangirta, Adrian Umboh, Sarah Maria Warouw, Vivekenanda Pateda, and Frecillia Regina. 2010. “Acanthosis Nigricans and Insulin Resistance in Obese Children”. Paediatrica Indonesiana 50 (5):274-7. https://doi.org/10.14238/pi50.5.2010.274-7.