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. Author manuscript; available in PMC: 2010 Apr 1.
Published in final edited form as: Oral Microbiol Immunol. 2009 Feb;24(1):18–24. doi: 10.1111/j.1399-302X.2008.00468.x

Fig. 2.

Fig. 2

Hemagglutination (HA) inhibitory activity of whole saliva or parotid or submandibular/sublingual (SMSL) secretions. Mean HA inhibitory activity of whole saliva (supernatant or native) was compared to that of parotid or SMSL secretions from three donors. SMSL secretions had significantly greater HA inhibitory activity than either whole saliva preparation (*P < 0.02) when for the amount of protein per saliva sample. Greater activity in this assay is reflected by a lower concentration of the saliva preparation needed to inhibit a fixed concentration (40 HAU) of IAV.