Comparative Study of Fine Needle Aspiration Cytology (F.N.A.C) Vs Tissue Biopsy in Thyroid Glands: Following Bethesda System. mfm [Internet]. 2020 Oct. 8 [cited 2026 May 23];31(9). Available from: https://medicalforummonthly.com/index.php/mfm/article/view/2481