In-vitro activity of 21 antimicrobial agents against Neisseria gonorrhoeae in Brussels36605, Gordts, B., Vanhoof R., Hubrechts J.M., Dierickx R., Coignau H., and Butzler J.P. , Br.J.Vener.Dis., 0/2/1982, Volume 58, Issue 1, Number 28, p.23 - 28, (1982)