Dass, A. P., Deodurg, P. and Rajappan, S. (2017) “Implementing standardised rhodes index to measure the efficacy of ginger extract (Zingiber officinale) in pregnancy induced nausea and vomiting”, International Journal of Basic & Clinical Pharmacology, 6(8), pp. 1932–1936. doi: 10.18203/2319-2003.ijbcp20173273.