Pierce W A, Leong J K
Infect Immun. 1977 Mar;15(3):993-4. doi: 10.1128/iai.15.3.993-994.1977.
Triton-X-100-treated pilus suspensions prepared from Neisseria gonorrhoeae produced a single line of precipitate in immunodiffusion tests. This line was distinct from that of the virulence-associated antigen.