Assessment of metal exposure in fingernails of patients with nasopharyngeal cancer: a case study in Vietnamese men. - Van Nguyen H; Nguyen STM; Tran HTT; Truong LTH; Van Nguyen D; Nguyen LTT; Vu BN; Huynh PT (Biometals : an international journal on the role of metal ions in biology, biochemistry, and medicine, 2026)