4Werner EF, Janevic TM, Illuzzi J, et al. Mode of delivery in nulliparous women and neonatal intracranial injury[J]. Obstet Gynecol,201 l, 118(6) : 1239-1246.
5Levine MG, Holroyde J, Woods JR Jr, et al. Birth trauma: incidence and predisposing factors[J]. Obstet Gynecol, 1984, 63(6) 792-795.
6BofillJA, Rust OA, Devidas M, et al. Neonatal cephalohematoma from vacuum extraction[J]. J Reprod Med, 1997,42(9) :565-569.
7Nabavizadeh SA, Bilaniuk LT, Feygin T, et al. CT and MRI o{ Pediatric Skull Lesions with Fluid-Fluid Levels[N/OL]. Am J Neuroradiol.[2013 08-22] http//www, ajnr. org/ content/early/2013/08/22/ajnr. A3712. full. pdf + html.
8Wong CH, Foo CL, Seow WT. Calcified cephalohematoma: classification, indications for surgery and techniques [J]. J Craniofac Surg,2006 , I7(5) :970-979.
9Kaufman HH, Hochberg J, Anderson RP, et al. Treatment of calcified cephalohematoma[J]. Neurosurgery, 1993 ,32(6) .. 1037-1039.
10Chung HY, Chung JY, Lee DG, et al. Surgical treatment of ossified cephalhematoma[J]. J Craniofac Surg, 2004, 15 (5) 774-779.
