RT Journal Article SR Electronic T1 Trimethoprim in a selective medium for isolation of gonococci. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 348 OP 349 DO 10.1136/sti.57.5.348 VO 57 IS 5 A1 Y J Erdman A1 J M Parry YR 1981 UL http://sti.bmj.com/content/57/5/348.abstract AB