4Steggall M J, Omara M. Urinary tractstones : types,nursing care and treatment options[J]. Br J Nurs,2008,17(9) :20-23.
5Defarges A; Dunn M ,Berent A. New alternatives for rninimally inva- sive management of uroliths :lower urinary tract uroliths[J]. Compend Contin Educ Vet,2013,35(1 ) :2553,2772.
6Kramolowsky EV,Wang G,Butler RM,et al. Clinical and economic impact of implementation of slow shockwave lithotripsy for the treat- ment of urinary calculi[J]. J Endourol,2010,24(9) : 1483-1486.