Pai, S., Jindal, A., & Bhattachan, B. (2019). A randomized, double-blinded study of comparison of 2.5 mg/L versus 3.75 mg/L of methoxsalen concentration for bath-PUVA in psoriasis vulgaris. Journal of Pakistan Association of Dermatologists, 29(3), 294–301. Retrieved from https://www.jpad.com.pk/index.php/jpad/article/view/1339