A History of Short Words

From the New York Times Crossword Puzzle

RNS

Mon, 15 Apr '24
Many I.C.U. workers: Abbr.
Sun, 11 Feb '24
IV placers
Sat, 23 Dec '23
Some vaccine administrators, in brief
Sat, 25 Nov '23
Hosp. staffers
Tue, 14 Nov '23
I.C.U. staffers
Sun, 1 Oct '23
I.C.U. workers
Thu, 28 Sep '23
O.R. workers
Tue, 3 Jan '23
E.R. staffers
Wed, 31 Aug '22
O.R. staffers
Thu, 19 May '22
I.C.U. specialists
Fri, 1 Apr '22
E.R. staffers
Fri, 18 Feb '22
I.C.U. figures
Thu, 27 Jan '22
O.R. staffers
Mon, 19 Apr '21
E.R. staffers