In this age of thermonulear technolgy, neither view can assure man's preserv ation.在当今的热核技术时代, 这两种观点都不是以保障人类的生存.The term null hypothesis arose from earlier agricultural and medical applic ation of statistics.无效假设这个概...
External ethmoidectomy is a method of choice for malignant lesions.恶性肿瘤以手术加放疗治疗,鼻外筛窦径路是治疗此类恶性肿瘤的优选术式.Objective To evaluate the effect of ethmoidectomy for the treatment of optic neuritis under nasal endoscope.目的评价鼻内窥镜下筛窦...