1.
Ratan S, Aggarwal S, Khurana N, Dhua A, Mufti G, Deshpandey V. Retroperitoneal fetus-in-fetu: another supportive evidence for twinning theory. TS [Internet]. 7Nov.2011 [cited 8Aug.2020];1(1):e2. Available from: https://www.pagepressjournals.org/index.php/tera/article/view/ts.2011.e2