3. Search strategy: terms by database.

Search set	CIDG SRa	CENTRAL	MEDLINEb	EMBASEb	LILACSb
1	helmint*	helmint*	helmint*	helmint$	helmint*
2	Ancylostoma duodenale	Ancylostoma duodenale	Ancylostoma duodenale	Ancylostoma duodenale	Ancylostoma duodenale
3	Necator americanus	Necator americanus	Necator americanus	Necator americanus	Necator americanus
4	Ascaris	Ascaris	Ascaris	Ascaris	Ascaris
5	Enterobius vermicularis	Enterobius vermicularis	Enterobius vermicularis	Enterobius vermicularis	Enterobius vermicularis
6	trichuris	trichuris	trichuris	trichuris	trichuris
7	Strongyloid*	Strongyloid*	Strongyloid*	Strongyloid*	Strongyloid*
8	albendazole	hookworm*	hookworm*	hookworm$	1‐7/OR
9	mebendazole	roundworm*	roundworm*	roundworm$	albendazole
10	piperazine	pinworm*	pinworm*	pinworm$	mebendazole
11	levamisole	whipworm*	whipworm*	whipworm$	piperazine
12	pyrantel	1‐11/OR	1‐11/OR	1‐11/OR	levamisole
13	tiabendazole	albendazole	albendazole	albendazole	pyrantel
14	—	mebendazole	mebendazole	mebendazole	tiabendazole
15	—	piperazine	piperazine	piperazine	9‐14/OR
16	—	levamisole	levamisole	levamisole	8 and 15
17	—	pyrantel	pyrantel	pyrantel	Limit 16 to human
18	—	tiabendazole	tiabendazole	tiabendazole	—
19	—	13 or 14 or 15 or 16 or 17 or 18	13 or 14 or 15 or 16 or 17 or 18	13 or 14 or 15 or 16 or 17 or 18	—
20	—	12 and 19	12 and 19	12 and 19	—
21	—	—	Limit 20 to human	Limit 20 to human	—

^aCIDG Specialized Register.
 ^bSearch terms used in combination with the search strategy for retrieving trials developed by Cochrane (Lefebvre 2011).