A<unk>  is a set of rules which determine when planned unblinding should occur in a blinded experiment. FDA guidelines recommend that sponsors of blinded trials include a<unk>  in their standard operating<unk> . A<unk>  should only allow a participant to be unblinded before the conclusion of a trial in the event of an emergency.<unk><unk>  usually refers to the unmasking of treatment allocation, but can refer to any form of unblinding. Traditionally, each patient's treatment allocation data was stored in a sealed envelopes, which was to be opened to<unk> <unk> . However, this system is prone to abuse. Reports of researchers opening envelopes prematurely or holding the envelopes up to lights to determine their contents has led some researchers to say that the use of sealed envelopes is no longer acceptable. , sealed envelopes were still in use in some clinical trials. Modern clinical trials usually store this information in computer files.
Code-break procedure
Hypothermia cap
Rapid trauma assessment
Vehicle extrication
Bedwetting alarm
MET call
Combat lifesaver course
Remote patient monitoring