Agarwal, M. et al. 2015. A comparative study of free-hand fine needle aspiration cytology and ultrasound guided fi ne needle aspiration cytology in the diagnosis of thyroid swellings at BP Koirala Institute of Health Sciences- a tertiary care centre in Nepal. Health Renaissance. 12, 2 (Dec. 2015), 78–86. DOI:https://doi.org/10.3126/hren.v12i2.14104.