Serum and salivary Cu/Zn ratio as a diagnostic biomarker for oral submucosal fibrosis: an analysis of trace metals and LOX gene variants - Rafia Shah; Feriha Fatima Khidri; Yar Muhammad Waryah; Roohi Nigar; Amber Mahmood; Hina Shaikh; Muhammad Qasim Awan; Ikram Din Ujjan; Ali Muhammad Waryah (BioMetals, 2024)