Batubara, Jose R. L., Adji Suranto, Sudigdo Sastroasmoro, Bambang Tridjaja, and Aman B. Pulungan. “Natural History of Premature Thelarche: Review of 60 Girls”. Paediatrica Indonesiana 41, no. 11-12 (December 31, 2001): 279–83. Accessed April 20, 2025. https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/1042.