Biosis (Ovid SP)	1. (thromboelastogra* or thrombelastogra* or (thromb* adj2 elastogra*) or thromboelastom* or ROTEG or ROTEM or TEG).ti,ab. 2. (random* or (clinical adj4 trial*) or placebo* or multicenter* or prospective* or ((double or single or triple) and (mask* or blind*))).mp. 3. 1 and 2
CENTRAL, the Cochrane Library	#1 MeSH descriptor Thrombelastography explode all trees #2 thromboelastogra* or thrombelastogra* or thromboelastom*ROTEG or ROTEM or TEG #3 (#1 OR #2)
OVID Embase	1. Thromboelastography/ or (thromboelastogra$ or thrombelastogra$ or thrombo elastogra$ orthromboelastom$ or thrombo elastom$).ti,ab. or (ROTEM or ROTEG or TEG).mp. 2. (randomized‐controlled‐trial/ or randomization/ or controlled‐study/ or multicenter‐study/ or phase‐3‐clinical‐trial/ or phase‐4‐clinical‐trial/ or double‐blind‐procedure/ or single‐blind‐procedure/ or (random* or cross?over* or factorial* or placebo* or volunteer* or ((singl* or doubl* or trebl* or tripl*) adj3 (blind* or mask*))).ti,ab.) not (animals not (humans and animals)).sh. 3. 1 and 2
ISI Web of Science	#1 TS=(thromboelastogra* or thrombelastogra* or thrombo elastogra* orthromboelastom* or thrombo elastom*) or TS=(ROTEM or ROTEG) or TS=(TEG) #2 TS=(random* or (controlled SAME trial*) or placebo* or multicenter* or prospective*) or TS=((single or double or triple or treble) and (mask* or blind*)) #3 #2 AND #1
LILACS (via BIREME)	"THROMBOELASTOGRAPHY/" or "thromboelastogra$" or "thrombelastogra$" or "thrombo elastogra$" or "thromboelastom$" or "thrombo elastom$" or "ROTEM" or "ROTEG" or "TEG"
OVID MEDLINE	1. exp Thrombelastography/ or Thromb?elastograph*.mp.or (ROTEM or TEG or ROTEG).mp. or Thromboelastometry.mp. 2. ((randomized controlled trial or controlled clinical trial).pt. or randomized.ab. or placebo.ab. or drug therapy.fs. or randomly.ab. or trial.ab. or groups.ab.) not (animals not (humans and animals)).sh. (2177961) 3. 1 and 2
CINAHL (EBSCOhost)	S1. (MM "Thrombelastography") S2. TX thromboelastogra* or thrombelastogra* or thrombo elastogra* orthromboelastom* or thrombo elastom* or ROTEM or ROTEG or TEG S3. S1 or S2