Investigation

• Clinical trial
• Criminal investigation
• Criminal investigation department
• Discovery (observation)
• Examination (disambiguation)
• Federal Bureau of Investigation
• Forensic science
• Griffin Investigations
• Investigate (magazine)
• Investigation (TV channel)
• Investigation (film)
• Investigation Discovery
• Investigational New Drug
• Investigations in Numbers, Data, and Space
• Investigative journalism
• Investigator (disambiguation)
• Research
• Temporal Investigations
• The Investigation
• The Investigation (play)
• detective
• disease
• medical test
• private investigator