UPADHYAYA, I.; PRADHAN, M.; SHARMA, R. Twin Pregnancy with Fetus Papyraceous. Journal of Nepal Medical Association, [S. l.], v. 48, n. 175, 2009. DOI: 10.31729/jnma.195. Disponível em: http://jnma.com.np/jnma/index.php/jnma/article/view/195. Acesso em: 4 may. 2024.