Related Clues:

• Org. for D.O.'s
• Drs. group
• Org. for 1-Across
• Doc workers' org.?
• Journal-publishing gp
• Doctors' org
• Health advocacy grp
• Sawbones gp
• Journal-publishing org
• Specialty Code list publisher
• Grp. knocked in "Sicko"
• Physicians' org
• "I ___ Rock" (Simon & Garfunkel hit)
• Grammys rival
• G.P.'s group