What does hy stand for?
hy stands for "hoehn and yahr grade"
How to abbreviate "hoehn and yahr grade"?
"hoehn and yahr grade" can be abbreviated as hy
What is the meaning of hy abbreviation?
The meaning of hy abbreviation is "hoehn and yahr grade"
What does hy mean?
hy as abbreviation means "hoehn and yahr grade"
