Effect of lacrimal gland injection of SB203580 on tear production. (A-C) Phenol red thread test (A), tear break up time (BUT) (B), and spectrofluorometric assay (C) were performed on MRL/lpr mice after indicated concentrations of SB203580 were injected for seven days. (n = 8) *P < 0.05, **P < 0.01 compared to controls.
Ma et al. Diagnostic Pathology 2014 9:5 doi:10.1186/1746-1596-9-5