Ramirez, A The effect of ultrasound on collagen synthesis and fibroblast proliferation in vitro. [electronic resource] - Medicine and science in sports and exercise Mar 1997 - 326-32 p. digital Publication Type: Comparative Study; Journal Article ISSN: 0195-9131 Standard No.: 10.1097/00005768-199703000-00007 doi Subjects--Topical Terms: Achilles Tendon--cytologyAnalysis of VarianceAnimalsAnimals, NewbornAscorbic Acid--pharmacologyCell DivisionCells, CulturedCollagen--biosynthesisCollagenases--pharmacologyConnective Tissue CellsDNA--analysisFibroblasts--cytologyRatsThymidine--analysisUltrasonics