Facile synthesis of Ag@Fe3O4/ZnO nanomaterial for label-free electrochemical detection of methemoglobin in anemic patients. - Alam, Ayub; Fatima, Batool; Shafi, Sameera; Sarwar, Zohaib; Hussain, Dilshad; Jawad, Shan E Zahra; Majeed, Saadat; Imran, Muhammad; Najam-ul-Haq, Muhammad (Scientific Reports, 2023)