Susanto, A. D., Yunus, F., Wiyono, W. H., Sawitri, N. and Lelosutan, S. A. (2008) “Asthma symptoms improvement in moderate persistent asthma patients with gastroesophageal reflux disease (GERD): the role of proton-pump inhibitor”, Medical Journal of Indonesia, 17(3), pp. 169–74. doi: 10.13181/mji.v17i3.317.