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Konig, K., Ruck, A. and Schneckenburger, H. (1992) Fluorescence Detection and Photodynamic Activity of Endogenous Protoporphyrin in Human Skin. Optical Engineering, 31, 1470-1474.
https://doi.org/10.1117/12.57700

has been cited by the following article:

• TITLE: Index Finger Reflection and Smoking

  AUTHORS: Branislav Jovanić, Božidar Radenković, Marijana Despotović-Zrakić, Zorica Bogdanović, Dušan Barać

  KEYWORDS: Index Finger, Reflectance, Human Skin, Biological Object

  JOURNAL NAME: Health, Vol.12 No.10, October 27, 2020

  ABSTRACT: The reflectance of the index finger on 680 nm was measured. The experimental results show that the intensity of the reflectance for the index finger is related to age and the smoking circumstance. It was shown that reflectance for the index finger nonlinearly increases and reaches the maximum at about 31 - 32 age for nonsmoker age. Index finger reflectance between smoker and nonsmoker was compared. It was observed that smokers’ index finger reflectance is significantly greater compared with the index finger reflectance for nonsmokers.