Related Clues:

• G.P. grp.
• Doc's org.
• Doc bloc
• Professional org. since 1847
• Grp. with a caduceus
• Antismoking grp.
• Physicians' grp.
• Cold war grp.?
• Health-care lobby grp.
• Grp. with a staff in its symbol
• Journal publisher
• Professional org.
• Doctors' grp.
• Org. with a much-quoted journal
• Doctors' org.