RT Journal Article SR Electronic T1 Gonococcus and meningococcus: interchange of habitat JF The British Journal of Venereal Diseases JO Br J Vener Dis FD BMJ Publishing Group Ltd SP 8 OP 8 DO 10.1136/sti.21.1.8 VO 21 IS 1 YR 1945 UL http://sti.bmj.com/content/21/1/8.abstract AB