In-vitro activity of antimicrobial agents against Neisseria gonorrhoeae in Brussels36590, Vanhoof, R., Vanderlinden M.P., Hubrechts J.M., Butzler J.P., and Yourassowsky E. , Br.J.Vener.Dis., 0/10/1978, Volume 54, Issue 5, Number 315, p.309 - 315, (1978)