1. Complement factors in gingival crevice material from healthy and inflamed gingiva in humans;Attström;J. periodont. Res.,1975
2. Complement activity in the gingival crevicular exudate of periodontal patients;Courts,1975
3. A new one-step method for the functional assay of the fourth component (C4) of human and guinea pig complement;Gaither;J. Immun.,1974
4. Alternate pathways to activation of the complement system;Gewurz,1972