Rastogi, Akriti, Karan Sharma, and Neelam Gauba. 2017. “Evaluation of Efficacy of Ultrasound in Diagnosis of Neck Swellings”. International Journal of Otorhinolaryngology and Head and Neck Surgery 4 (1):169-75. https://doi.org/10.18203/issn.2454-5929.ijohns20175620.