Kntapo, F. M., Salisu, A. G. and Said, R. M. (2018) “X-Ray flourescence (XRF) elemental composition of Euphorbia hirta Linn (Asthma weed) as a medicinal plant”, Asian Journal of Medical and Biological Research, 4(1), pp. 49–54. doi: 10.3329/ajmbr.v4i1.36821.