Have hips, eyes, elbows, thyroid &amp; heart been checked by a certified vet to be free of genetically inherited defects?
(heart; to be; free of genetically inherited defects) (heart; been checked; by a certified vet; to be free of genetically inherited defects)
heart heart
to be been checked
free of genetically inherited defects
by a certified vet to be free of genetically inherited defects