1. Pitt CG. Aliphatic polyesters I The degradation of poly (ε-caprolactone) in vivo. J Appl Polym 1981;26:3779-3787.

2. Pitt CG. Poly (ε-caprolactone) and its copolymers. In: Chassin M, Langer R, editors. Biodegradable polymers as drug delivery systems. New York: Dekker ;1990:71-119.

3. Sun H, Mei L, Song C, et al. The in vivo degradation, absorption and excretion of PCL-based implant. Biomaterials 2006;27(9):735-40.

4. Ma G, Song C, Sun H, et al. A biodegradable levonorgestrel-releasing implant made of PCL/F68 compound as tested in rats and dogs. Contraception 2006;74(2):141-7.

5. Taylor MS, Daniels AU, Andriano KP, et al. Six bioabsorbable polymers: in vitro acute toxicity of accumulated degradation products. J Appl Biomater 1994;5(2):151-7.

6. Trabucco E, Soderberg M, Cobellis L, et al., Role of proteoglycans in the organization of periurethral connective tissue in women with stress urinary incontinence. Maturitas 2007; 58(4): 395-405. 26.

7. Ulmsten U, Ekman G, Giertz G, Malmstrom A, Different biochemical composition of connective tissue in continent and stress incontinent women. Acta Obstet Gynecol Scand, 1987; 66(5): 455-457.

8. Liapis A, Bakas P, Pafiti A, Frangos-Plemenos M, Arnoyannaki N, Creatsas G, Changes of collagen type III in female patients with genuine stress incontinence and pelvic floor prolapse. Eur J Obstet Gynecol Reprod Biol 2001; 97(1):76-79.

9. Falconer C, Ekman G, Malmstrom A, Ulmsten U, Decreased collagen synthesis in stress-incontinent women. Obstet Gynecol 1994; 84(4): 583-586.

10. Nicolau PJ, Marijnissen-Hofsté J. Neocollagenesis after injection of a polycaprolactone based dermal filler in a rabbit. Eur J Aesth Med Dermatol, 2013. 3(1): p.19-26.

11. Kim JA, Van Abel D, Neocollagenesis in human tissue injected with a polycaprolactone-based dermal filler. J Cosmet Laser Ther 2015; 17(2): 99-101.

12. Galadari H, van Abel D, Al Nuami K, Al Faresi F, Galadari I. A randomized, prospective, blinded, split-face, single-center study comparing polycaprolactone to hyaluronic acid for treatment of nasolabial folds. J Cosmet Dermatol 2015; 14(1): 27-32.

13. Moers-Carpi MM, Sherwood S. Polycaprolactone for the correction of nasolabial folds: a 24-month, prospective, randomized, controlled clinical trial. Dermatol Surg 2013; 39(3 Pt 1): 457-463.