Related Clues:

• Test group?
• A-mazing animals
• Test subjects
• A-mazing creatures?
• Maze runners
• "The Secret of NIMH" critters
• Ones caught in a maze?
• Experiment runners?
• Experimental runners
• Runners of experiments
• Experiment subjects
• Much-studied critters
• Subjects of much nutritional research
• Involuntary test subjects
• Research subjects