Gan, Florence Rochelle, et al. “Treatment Outcome of a β-HCG Secreting Intracranial Germ Cell Tumor in an Adult Filipino Using Definitive Chemotherapy Followed by Radiotherapy: A Case Report”. Journal of the ASEAN Federation of Endocrine Societies, vol. 37, no. 1, May 2022, pp. 97-102, doi:10.15605/jafes.037.01.12.