L. Sresthadatta, B. Karnjanayak, N. Cheuypan, S. Laemtong, P. Reungpoka, and S. Siriboonrid, “Use of xylocaine spray 10% reduces pain associated with Transrectal Prostatic Biopsy (prospective study)”, Insight Urol, vol. 29, no. 2, pp. 71–76, Dec. 2008.