1) US Open org 2) US open organisation 3) Annual links tournament 4) Augusta National org 5) British Open org 6) British open organisation 7) Certain Grand Slam tourney 8) Club circuit 9) Club with clubs in its logo 10) Country club gp 11) Country club grp 12) Couples group 13) David Duval s org 14) Driving org Found on https://www.crosswordclues.com/clue/pga
Type: Abbreviation Definitions: 1. Abbreviations, with numeric subscripts according to structure, often used for prostaglandins. Letters A, B, and so on, indicate the nature of the cyclopentane ring (substituents, double bonds, orientation); numeric subscripts indicate the number of double bonds in the alkyl chains. Found on http://www.medilexicon.com/medicaldictionary.php?t=67597