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Deka D, Malhotra N, Sinha A, Banerjee N, Kashyap R, Roy KK.Deka D, et al. Among authors: roy kk.J Obstet Gynaecol Res. 2003 Apr;29(2):67-72. doi: 10.1046/j.1341-8076.2002.00077.x.J Obstet Gynaecol Res. 2003.PMID: 12755524
Malhotra N, Kumar S, Roy KK, Agarwal R, Verma V.Malhotra N, et al. Among authors: roy kk.J Clin Ultrasound. 2004 May;32(4):204-6. doi: 10.1002/jcu.20015.J Clin Ultrasound. 2004.PMID: 15101082
Sharma JB, Roy KK, Pushparaj M, Gupta N, Jain SK, Malhotra N, Mittal S.Sharma JB, et al. Among authors: roy kk.Arch Gynecol Obstet. 2008 Jan;277(1):37-41. doi: 10.1007/s00404-007-0419-0. Epub 2007 Jul 25.Arch Gynecol Obstet. 2008.PMID: 17653564