Lorson E L
J Oral Surg. 1976 Nov;34(11):1035-7.
These photographic aids are intended to offer an alternative photographic system to the individual who is initially reluctant or unable to invest in the financial commitment of a more sophisticated system. Actual cost of individual components may be ascertained by comparative shopping.
这些摄影辅助工具旨在为那些最初不愿意或无法投入资金购买更复杂系统的个人提供另一种摄影系统。单个组件的实际成本可以通过比较购物来确定。
