N. A. Sheen, A. M. Samar, M. I. Butt, Z. Ayub, and F. Nadeem, “EFFICACY OF NEGATIVE PRESSURE WOUND THERAPY IN EARLY DIABETIC FOOT ULCER MANAGEMENT IN COMPARISON WITH ADVANCED MOIST WOUND THERAPY”, PAFMJ, vol. 71, no. 6, pp. 2087–90, Dec. 2021.