Sepúlveda, A., Truffello, D., Fuenzalida, H. and Macías, M. (2019) “Severe nummular eczema in childhood. Experience of six cases managed with oral methotrexate.”, European Journal of Pediatric Dermatology, 29(4), pp. 209-214. doi: 10.26326/2281-9649.29.4.2035.