doctors organization abbr: crossword clues

Matching Answer
Confidence
AMA
60%
HMO
60%
ELKS
20%
NASA
20%
REDCROSS
20%
FEES
20%
MENSA
20%
ASSN
20%
SPIN
20%
INTERNS
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)