Qureshi, A., Al-Moundhri, M., Al-Shaibi, M., Al-Haddabi, I., & Mittal, A. (2018). Primary Gastric Yolk Sac Tumour. Sultan Qaboos University Medical Journal, 18(3), e383–385. https://doi.org/10.18295/squmj.2018.18.03.020