1. The origin of gingival fluid;Alfano;J Theor Biol,1974
2. Emigration of blood neutrophils and monocytes into the gingival crevices;Attström;J Periodontal Res,1970
3. Total protein in human crevicular fluid;Bang;J Dent Res,1971
4. The gingival pocket fluid. Studies of its occurrence, composition and effect;Brill;Acta Odontol Scand,1962
5. Potential for gingival crevice fluid measures as predictors of risk for periodontal diseases;Champagne;Periodontol 2000,2003