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. 2011 Jul 15;6(7):e22263. doi: 10.1371/journal.pone.0022263

Table 2. 3D gel compositions in the different experiments.

Experiment name Collagen (3 mg/ml) Hyaluronic acid (3 mg/ml)
p42h0 42% 0%
p38h4 38% 4%
p30h12 30% 12%
p24h18 24% 18%

Collagen was provided by PureColTM (Nutacon, Netherlands) and hyaluronic acid was kindly provided by Auriga International (Braine-l'Alleud, Belgium).