RT Journal Article SR Electronic T1 In search of an optimum method for the sterilization of a cryoprobe in a sexually transmissible diseases clinic. JF Genitourinary Medicine JO Genitourin Med FD BMJ Publishing Group Ltd SP 275 OP 276 DO 10.1136/sti.68.4.275-a VO 68 IS 4 A1 D T Evans YR 1992 UL http://sti.bmj.com/content/68/4/275.2.abstract AB