Sengupta, S., Pal, S., Biswas, B. K., Chakrabarti, S., Bose, K., & Jana, S. (2014). Collision tumor of ovary: a rare combination of dysgerminoma and serous cystadenocarcinoma. Bangladesh Journal of Medical Science, 13(2), 224–227. https://doi.org/10.3329/bjms.v13i2.14955