variety of functions
variety of genes
variety of habitats
variety of human cancer cell lines
variety of human cancers
variety of human diseases

variety of industries
variety of instruments
variety of issues
variety of levels
variety of ligands
variety of locations
variety of malignancies

variety of materials
variety of measures
variety of mechanisms
variety of media
variety of medical
variety of methods
variety of models

variety of mutations
variety of neoplasms
variety of novel
variety of opportunities
variety of organisms
variety of pathological conditions
variety of pathologies

variety of perspectives
variety of plant species