Specific Pathogen-Free Organisms

Specific Pathogen Free; Organism, Pathogen-Free; Organism, Specific Pathogen-Free; Organisms, Pathogen-Free; Organisms, Specific Pathogen-Free; Pathogen Free Organisms; Pathogen Free, Specific; Pathogen Frees, Specific; Pathogen-Free Organism
Animals or humans raised in the absence of a particular disease-causing virus or other microorganism. Less frequently plants are cultivated pathogen-free.