Inveterated

"... herb, and extr. bellad. aa. gr. 4, 2, 3, or 4 times a day, was generally successful, even in inveterated cases."

"One case had to undergo re-operation because of severe subscapularis deficiency after repair of a complete, inveterated tear. "

"This is, in fact, the same principle shown by Stener (1962) in his study of inveterated ruptures of the ulnar collateral ligament of the thumb,..."