McShane R H, Clayton J, Smith T
Ann Plast Surg. 1978 Sep;1(5):466-73.
Although angle of view is only one of several factors that influence the reliability with which judgments can be made in comparing one photograph with another, application of this concept in taking photographs of patients will permit the surgeon, no matter what camera equipment is used, to achieve a high degree of standardization in preoperative and postoperative photographs.
尽管视角只是影响在比较不同照片时做出可靠判断的几个因素之一，但在拍摄患者照片时应用这一概念，无论使用何种相机设备，外科医生都能够在术前和术后照片中实现高度标准化。
