2483826 CFRs case fatality rates 194 2483857 CFRS Child Food Rejection Scale 5 2483853 CFRS chronic fungal rhinosinusitis 2 2483854 CFRS cell free RNA synthesis 1 2483852 CFRS chronic rhinosinusitis with fungus 1 2483856 CFRS Cognitive Functional Rating Scale 1 2483851 CFRS conditioning function of the respiratory system 1 2483855 CFRS Consolidated Framework for Recovery-oriented Services 1 2483850 CFRS crevicular fluid rich saliva 1