Sharif, M., Khan, B. T., Bakhtiar, S., & Sharif, M. (2014). IPRATROPIUM ATTENUATES INSULIN INDUCED TRACHEAL SMOOTH MUSCLE CONTRACTION OF GUINEA PIG IN VITRO: Ipratropium. Pakistan Armed Forces Medical Journal, 64(1), 114-118. https://pafmj.org/PAFMJ/article/view/571