Systematic review of hematidrosis: Time for clinicians to recognize this entity

Table 1 Medical subject heading terms used in each database

Database	Medical subject heading	Number of studies found
PubMed	“hematidrosis”[All Fields] OR (“haematohidrosis”[All Fields] OR “hematohidrosis”[All Fields]) OR (“bloody”[All Fields] AND (“tearings”[All Fields] OR “tears”[MeSH Terms] OR “tears”[All Fields] OR “tearing”[All Fields] OR “lacrimal apparatus diseases”[MeSH Terms] OR (“lacrimal”[All Fields] AND “apparatus”[All Fields] AND “diseases”[All Fields]) OR “lacrimal apparatus diseases”[All Fields] OR “lacerations”[MeSH Terms] OR “lacerations”[All Fields])) OR (“bloody”[All Fields] AND (“sweat”[MeSH Terms] OR “sweat”[All Fields] OR “sweating”[MeSH Terms] OR “sweating”[All Fields] OR “sweats”[All Fields] OR “sweatings”[All Fields])) OR “hemolacria”[All Fields]	203
Medline	((hemathidrosis) OR haematohidrosis) OR bloody sweat	1057
Google Scholar	allintitle: hematidrosis OR haematohidrosis OR bloody sweat	55
Science Direct	(Hematidrosis) OR (haematohidrosis) OR (bloody sweat)	200
MedRxiv	(Hematidrosis) OR (haematohidrosis) OR (bloody sweat)	367
BioRxiv	(Hematidrosis) OR (haematohidrosis) OR (bloody sweat)	839
SSRN	(Hematidrosis) OR (haematohidrosis) OR (bloody sweat)	0
Research Square	(Hematidrosis) OR (haematohidrosis) OR (bloody sweat)	134