Figure 47.1. (A) A properly inserted needle.

Figure 47.1

(A) A properly inserted needle. (B) The needle is too deep. (C) The needle is too shallow. (Reproduced with permission from Guidelines for the Diagnosis of Tuberculous Infection. Copyright © 1984, Parke-Davis, Division of Warner-Lambert Company.)

From: Chapter 47, Skin Testing for Tuberculosis

Cover of Clinical Methods
Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition.
Walker HK, Hall WD, Hurst JW, editors.
Boston: Butterworths; 1990.
Copyright © 1990, Butterworth Publishers, a division of Reed Publishing.

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