Document Classification

Section Type: METHODS

Text: Nineteen Caucasian subjects (average age 47 + / -8. 4 ; range 33-62) exhibiting mild-to-moderate photoaging of the face and neck were treated four times (average interval 18. 1 + / - 4. 1 days ; range 11-37 days) with the 1, 440-nm Nd : YAG fractional laser (average fluence 3. 7 + / -0. 3 J/cm (2)) or the 1, 320 / 1, 440-nm multiplex Nd : YAG fractional laser (1, 320-nm average fluence 8. 4 + / -0. 4 J/cm (2) ; 1, 440-nm average fluence 2. 3 + / -0. 2 J/cm (2)).