This bed was empty, because gangrene had set in, and the patient had died but yesterday.
He thought there had been gangrene and that it was going to fall off.
Of course, if gangrene occurs, the man is permanently invalided.
If gangrene has set in and no doctor is available, then treat as a burn.
Gangrene was in all the wards, the filth and foulness of the atmosphere were ...