5Wildt D E, Lawler D F. Laparoscopic sterilization of the bitch and queen by uterine horn occlusion[J]. Am J Vet Res, 1985, 46(4): 864-869.
6Van Goethem B E, Rosenveldt K W, Kirpensteijn J. Monopolar versus bipolar electrocoagulation in canine laparoscopic ovariectomy: a nonrandomized, prospective, clinical trial[J]. Vet Surg, 2003, 32(5): 464-470.
7Van Nimwegen S A, Kirpensteijn J. Laparoscopic ovariectomy in cats: comparison of laser and bipolar electrocoagulation[J]. Feline Med Surg, 2007, 9(5): 397-403.
8Vannozzi I, Benetti C, Rota A. Laparoscopic cryptorchidectomy in a cat[J]. Feline Med Surg, 2002, 4(4): 201-203.
9Lew M, Jaynski M, Kasprowicz A, et al. Laparoscopic cryptorchidectomy in dogs-report of 15 cases[J]. Pol J Vet Sci, 2005, 8(3): 251-254.
10Spinella G, Romagnoli N, Valentini S, et al. Application of the "extraction bag" in laparoscopic treatment of unilateral and bilateral abdominal cryptorchidism in dogs[J]. Vet Res Commun, 2003, 27 (1): 445-447.
