Bashir, Sadaf, and Rubina Mushtaq. “EFFECT OF HYOSINE BUTYLBROMIDE ON FIRST STAGE OF LABOUR IN TERM PREGNANCY: Hyosine Butylbromide in Term Pregnancy”. Pakistan Armed Forces Medical Journal, vol. 66, no. 4, Aug. 2016, pp. 485-89, https://www.pafmj.org/PAFMJ/article/view/649.