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Kumar C, Singh PK, Rai RK.Kumar C, et al. Among authors: singh pk.J Public Health (Oxf). 2013 Dec;35(4):598-606. doi: 10.1093/pubmed/fds108. Epub 2013 Jan 27.J Public Health (Oxf). 2013.PMID: 23359666
Rai RK, Singh PK, Singh L.Rai RK, et al. Among authors: singh l, singh pk.Womens Health Issues. 2012 Jul-Aug;22(4):e407-14. doi: 10.1016/j.whi.2012.05.001.Womens Health Issues. 2012.PMID: 22749200
Rai RK, Singh PK, Kumar C, Singh L.Rai RK, et al. Among authors: singh l, singh pk.Home Health Care Serv Q. 2013;32(2):106-25. doi: 10.1080/01621424.2013.779354.Home Health Care Serv Q. 2013.PMID: 23679661
Rai RK, Singh PK, Singh L, Kumar C.Rai RK, et al. Among authors: singh l, singh pk.Matern Child Health J. 2014 Apr;18(3):592-603. doi: 10.1007/s10995-013-1276-z.Matern Child Health J. 2014.PMID: 23737107