Manivannan, Prince Rueban, Vishaalpalaniswamy Ramaswamy, and Sakthikumar Soundarrajan. 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):4101-4. https://doi.org/10.18203/2320-6012.ijrms20263135.