Hazra, S., Choudhury, A., Asaduzzaman, A. and Paul, H. 2013. Adverse outcome of methotrexate and mini pulse betamethasone in the treatment of lichen planus. Bangladesh Medical Research Council Bulletin. 39, 1 (Jul. 2013), 22–27. DOI:https://doi.org/10.3329/bmrcb.v39i1.15806.