1. Digital pressure test for paronychia
Arif Turkmen, Robert M Warner, Robert E Page 
British Journal of Plastic Surgery 
Volume 57, Issue 1, (January 2004)
DOI: /j.bjps

2. Figure 1 Paronychia of right index finger, at presentation.
British Journal of Plastic Surgery  , DOI: ( /j.bjps )

3. Figure 2
Digital pressure test performed showing blanching of the skin overlying the abscess cavity.
British Journal of Plastic Surgery  , DOI: ( /j.bjps )