The greatest number of sebaceous glands is found on the face, neck, and back, which is why acne commonly occurs in these regions.
最多的皮脂腺在面部，颈部和背部，这就是为什么痤疮通常发生在这些地区。
2
Objective the aim of this study was to compare the differences in sampling methods of ct perfusion for soft tissue neoplasms in the head and neckregions.
目的研究不同ct灌注采样方法对头颈部软组织肿块性病变评价的影响。
3
Objective To discuss the value of endoscopic technique in maxillofacial and neckregions.