3Demets DL. Methods for combining randomized clinical trials: strengths and limitations[ J]. Stat Med, 1987,3:341 - 350.
4Desimonian R, Laird N. Meta - analysis in clinical trials [ J ]. Contr Clin Trials, 1986,7 : 177.
5E1-Shazly M, Yassin O, Kamal A, et al. Soft tissue defects of the heel: a surgical reconstruction algorithm based on a retrospective cohort study [ J]. Foot Ankle Surg,2008 ,2 :145 -152.
6Suri MP, Patel AG, Vora H J, et al. Post - traumatic posterior heel soft tissue defect reconstruction [ J ]. Ind J Plast Surg, 2005,38 : 138 - 143.
7Khalil H, Mahboub T, Elaffandi A, et al. Modified pedicled tongue - like skin extension fasciocutaneous flaps for heel reconstruction, a versatile technique [ J ]. Eur J Plast Surg,2009,32:167 -170.
8Koski EA, Kuokkanen HO, Koskinen SK, et al. Reconstrction of soft tissue after complicated calcaneal fractures [ J ]. Plast Reconstr Surg Hand Surg,2004,38:284 - 287.
9Benito- Ruiz J, Yoon T, Guisantes -Pintos E, et al. Reconstruction of soft - tissue defects of the heel with local fascioeutaneous flaps [ J]. Ann Plast Surg,2004,52:380 - 384.
10Wang CL, Shau YW, Hsu TC, et al. Mechanical properties of heel pads reconstructed with flaps [ J ]. Bone Joint Surg, 1999,81:207 - 211.