factors.
factors likely
factors make
factors necessary
factors only
factors other
factors predictive
factors predisposing
factors present
factors related
factors relating
factors relevant

factors shaping
factors similar
factors specific
factors underlying
factors used
factory
factory workers
factual information
factual knowledge
facultative anaerobes
facultative bacteria
facultative intracellular pathogen
faculty

faculty development
faculty members
faculty perceptions
faculty practice
faculty unions
fading
fading channels
fading environment
fading memory
faecal analysis
faecal bacteria
faecal calprotectin concentrations
faecal coliforms

faecal contamination
faecal continence
faecal culture
faecal diversion
faecal egg count
faecal excretion
faecal extracts
faecal incontinence
faecal indicator bacteria
faecal indicators
faecal material
faecal matter
faecal microbiota

faecal occult blood test
faecal output
faecal pellets
faecal pollution
faecal samples
faecal shedding
faecal specimens
faecal streptococci