Critical Study on Subtotal Thyroidectomy for Giant Goiters under Local Anesthesia: Experience with 15 Nigerians - Eke, B. A.; Ojo, B. A.; Yongu, W. T.; Ahachi, C.; Denen-Akaa, P.; Ugwu, V. I.; Abayol, P.; Umobong, E. O. (Challenges in Disease and Health Research Vol. 1, 2020)