M. Hussain, M. Iqbal, M. Shah, I. U. Din, and S. Ahmad, “FREE HAND FINE NEEDLE ASPIRATION CYTOLOGY (FNAC) VERSUS ULTRASOUND-GUIDED CORE SAMPLING OF THYROID GLAND FOR THYROID NODULES”, Khyber Med Univ J, vol. 4, no. 3, pp. 106–109, Sep. 2012.