1Wylen EL, willis BK, Nanda A. Infection rate with replacement of bone fragment in compound depressed skull fractures. Suig Neurol , 1999,51:452 ~ 457.
2Lech KD. reliability of cranial flap fixation techniques: comparative experimental evaluation of suturing, titanium mini plates and a new rivet - like titanium clamp (CranioFix): techdcal note. Nurosurgery, 1999, 44:902 ~905.