Bhatia, Kalsang; Martindale, Elizabeth A.; Rustamov, Oybek; Nysenbaum, Anthony M. (2009). "Surrogate pregnancy: an essential guide for clinicians" (in en). The Obstetrician & Gynaecologist11 (1): 49–54. doi:10.1576/toag.11.1.49.27468. பன்னாட்டுத் தர தொடர் எண்:1744-4667.
Imrie, Susan; Jadva, Vasanti (4 July 2014). "The long-term experiences of surrogates: relationships and contact with surrogacy families in genetic and gestational surrogacy arrangements". Reproductive BioMedicine Online29 (4): 424–435. doi:10.1016/j.rbmo.2014.06.004. பப்மெட்:25131555.
Imrie, Susan; Jadva, Vasanti (4 July 2014). "The long-term experiences of surrogates: relationships and contact with surrogacy families in genetic and gestational surrogacy arrangements". Reproductive BioMedicine Online29 (4): 424–435. doi:10.1016/j.rbmo.2014.06.004. பப்மெட்:25131555.
Bhatia, Kalsang; Martindale, Elizabeth A.; Rustamov, Oybek; Nysenbaum, Anthony M. (2009). "Surrogate pregnancy: an essential guide for clinicians" (in en). The Obstetrician & Gynaecologist11 (1): 49–54. doi:10.1576/toag.11.1.49.27468. பன்னாட்டுத் தர தொடர் எண்:1744-4667.