The effect of a polyhexamethylene biguanide mouthrinse compared with a triclosan rinse and a chlorhexidine rinse on bacterial counts and 4-day plaque re-growth. - Welk A; Splieth CH; Schmidt-Martens S; Schwahn C; Kocher T; Kramer A; Rosin M (Journal of Clinical Periodontology, 2005)