RT Journal Article SR Electronic T1 Chimpanzee urethral meningococci. JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 88 DO 10.1136/sti.49.1.88 VO 49 IS 1 A1 W J Brown A1 S J Kraus A1 R J Arko YR 1973 UL http://sti.bmj.com/content/49/1/88.abstract AB