Sethi, D., and S. Barnabas. “A Pre-Experimental Study to Evaluate the Effectiveness of Back Massage Among Pregnant Women in First Stage of Labour Pains Admitted in Labour Room of a Selected Hospital, Ludhiana, Punjab, India”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 6, no. 1, Dec. 2016, pp. 76-83, doi:10.18203/2320-1770.ijrcog20164636.