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Hydroxyproline content of 4 mm skin punches from B6 Tsk/+ and B6 +/+ mice. Site 1: proximal (light grey bar); Site 2: middle (white bar); Site 3: distal dorsum (dark grey bar). F: females and M: males. Hydroxyproline values are expressed as μg/4 mm skin punch. The standard error of the mean is shown.
