Manivannan, P.R., Ramaswamy, V. and Soundarrajan, S. 2026. Severe multiorgan toxicity following low-dose copper sulfate poisoning in a patient with Psoriasis vulgaris on methotrexate: a case report. International Journal of Research in Medical Sciences. 14, 9 (Aug. 2026), 4101–4104. DOI:https://doi.org/10.18203/2320-6012.ijrms20263135.