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The ProCESS study1 brings to mind the observation by Sir William Osler that (to paraphrase) one should use a new therapy as often as possible while it still works. I have used Swan Ganz catheters, aminophylline, bretyllium, MAST trousers, nasal intubation, ipecac and neonatal suction bulbs while they worked and abandoned them when they no longer …
Competing interests None.
Provenance and peer review Not commissioned; internally peer reviewed.