1. Personal Digital Assistants, Wireless Computing, Smart Cards, and Biometrics: A Hardware Update for Clinical Practice 
Willia.Scot Erdley 
Journal of Obstetric, Gynecologic & Neonatal Nursing 
Volume 35, Issue 1, Pages (January 2006)
DOI: /j x
Copyright © 2006 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions

2. Figure 1

Example of biometric secure access. Biometric Access Company (
Journal of Obstetric, Gynecologic & Neonatal Nursing  , DOI: ( /j x)
Copyright © 2006 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions

3. Figure 2
Differences between optical and ultrasound scans of index finger related to differences in biometric technology. Fingerprint technology comparison graphic courtesy of the Ultra‐Scan Corporation, Amherst, NY.
Journal of Obstetric, Gynecologic & Neonatal Nursing  , DOI: ( /j x)
Copyright © 2006 AWHONN, the Association of Women's Health, Obstetric and Neonatal Nurses Terms and Conditions