Objective to investigate the histopathologic study of the ethmoid bone in chronic sinusitis (CRS) and the role of bone pathology in the pathogenesis of CRS.
目的观察评价慢性鼻窦炎(CRS)筛窦骨质的病理变化特点和病变规律。
A systematic histopathologic study of red skin disease of swine was made on 5 naturally infected pigs, 2 experimentally infected pigs and 7 new-born piglets inoculated with tissue culture virus.