Abbas, M., Suhail, M., Ejaz, A., Shaikh, Z.I., Minhas, A.H., Dar, N.R. and Nazad, S. 2016. Comparison of clinical and sonographical findings of Achilles tendon involvement in newly diagnosed and established cases of psoriasis. Journal of Pakistan Association of Dermatologists. 21, 1 (Dec. 2016), 16–21.