Pegylated hyaluronic acid filler enriched with calcium hydroxyapatite treatment of human skin: collagen renewal demonstrated through morphometric computerized analysis.

Address: Department of Surgical and Morphological Sciences, University of Insubria (Varese), Italy.; Department of Plastic Reconstructive Surgery-University of Foggia, Italy.; Dermatology Department Centro Medico Polispecialistico, Pavia, Italy.; Department of Dermatology, University of Rome Guglielmo Marconi, Rome, Italy.; National Hospital of Dermatology and Venereology, Hanoi, Vietna.; UB-CARE S.r.l. Spin-off University of Pavia, Italy.; Department of Public Health, Experimental and Forensic Medicine, Unit of Histology and Embryology, University of Pavia, Italy.; Department of Dermatology and Venereology, Military Medical Academy, Belgrade, Serbia.