Batubara, Jose, Adji Suranto, Sudigdo Sastroasmoro, Bambang Tridjaja, and Aman Pulungan. 2001. “Natural History of Premature Thelarche: Review of 60 Girls”. Paediatrica Indonesiana 41 (11-12), 279-83. https://doi.org/10.14238/pi41.6.2001.279-83.