various populations
various positions
various possibilities
various possible explanations
various practices
various pressures

various problems
various procedures
various process parameters
various processes
various processing conditions
various products
various professional

various prognostic factors
various properties
various proportions
various proposals
various proteins
various purposes
various radii

various ranges
various rates
various ratios
various reaction conditions
various reaction parameters
various reactions
various reasons

various receptors
various regions