Radiono, S., P. B. Putra, and D. A. M. Oktarina. “Intramuscular 50mg Methotrexate Injection Therapy for Severe Psoriasis: Study on Effectivity and Side Effect: Study on Effectivity and Side Effect”. Journal of Pakistan Association of Dermatologists, vol. 31, no. 4, Mar. 2022, pp. 605-13, doi:10.66344/jpad.31.4.2021.1736.