CENTRAL	PubMed	EMBASE (Ovid)	CINAHL (EBSCO)	CAB Abstracts (Ovid)
#1 MeSH descriptor Rhinitis, Atrophic explode all trees #2 ozena* OR ozaena* #3 (#1 OR #2) #4 MeSH descriptor Rhinitis explode all trees #5 MeSH descriptor Nose explode all trees #6 (rhinit*:ti OR nose:ti OR nasal:ti) #7 (#4 OR #5 OR #6) #8 MeSH descriptor Atrophy explode all trees #9 (atroph* OR crust* OR fetor OR foetor OR foul OR halitosis OR maggot* OR miasis OR myiasis) #10 (#8 OR #9) #11 (#7 AND #10) #12 (#3 OR #11)	#1 "Rhinitis, Atrophic" [Mesh] OR ozena* OR ozaena #2 ("Rhinitis" [Mesh] OR "nose" [Mesh] OR rhinit* OR nose [ti] OR nasal [ti]) AND ("atrophy" [Mesh] OR atroph* OR crust* OR fetor OR foetor OR foul OR halitosis OR maggot* OR miasis OR myiasis) #3 #1 OR #2	1 exp atrophic rhinitis/ 2 (ozena* or ozaena*).tw. 3 1 or 2 4 exp *rhinitis/ 5 exp *nose/ 6 (rhinit* or nose or nasal).ti. 7 4 or 5 or 6 8 exp atrophy/ 9 (atroph* or crust* or fetor or foetor or foul or halitosis or maggot* or miasis or myiasis).tw. 10 8 or 9 11 7 and 10 12 3 or 11	S1 (MH "Rhinitis, Atrophic")   S2 ozena* OR ozaena* S3 S1 or S2 S4 (MH "Rhinitis+") S5 (MH "Nose+") S6 rhinit* OR nose OR nasal S7 S4 or S5 or S6 S8 (MH "Atrophy+") S9 atroph* OR crust* OR fetor OR foetor OR foul OR halitosis OR maggot* OR miasis OR myiasis S10 S8 or S9 S11 S7 and S10 S12 S3 OR S11	1 exp atrophic rhinitis/ 2 (ozena* or ozaena*).tw. 3 1 or 2 4 exp *rhinitis/ 5 exp *nose/ 6 (rhinit* or nose or nasal).ti. 7 4 or 5 or 6 8 exp atrophy/ 9 (atroph* or crust* or fetor or foetor or foul or halitosis or maggot* or miasis or myiasis).tw. 10 8 or 9 11 7 and 10 12 3 or 11
Cochrane ENT Disorders Group Trials Register (ProCite database)	Web of Science/BIOSIS Previews (Web of Knowledge)	LILACS	ICTRP
(ozena* OR ozaena* OR atroph* OR crust* OR fetor OR foetor OR foul OR halitosis OR maggot* OR miasis OR myiasis)	#1  TI=(rhinit* OR nose OR nasal) #2  TS=(atroph* OR crust* OR fetor OR foetor OR foul OR halitosis OR maggot* OR miasis OR myiasis) #3  TS=(ozena* OR ozaena*) #4  #2 AND #1 #5  #4 OR #3	(rhin$ or nose or nasal) and (atroph$ or crust$ or fetor or foetor or foul or halitosis or maggot$ or miasis or myiasis or ozena$ or ozaena$)	ozena OR ozaena OR rhinitis AND atroph* OR rhinitis AND crust*