Stem Cell Therapy for Diabetic Foot Ulcers: Theory and Practice

Table 1

Search strategies for study selection.

Serial no.	Search terms	Limitations	Databases
			Scopus	PubMed	Web of Science
1	“Diabetic foot”	Title, abstract, and keywords	19,690	13,476	20,488
2	“Diabetic feet”	Title, abstract, and keywords	19,690	216	331
3	“Foot ulcer”	Title, abstract, and keywords	11,308	4,702	7,752
4	#1 OR #2 OR #3	No	23,023	15,057	22,621
5	Diabetic	Title, abstract, and keywords	411,183	832,757	482,810
6	#4 AND #5	No	20,543	13,956	21,090
7	“Stem Cells”	Title, abstract, and keywords	512,169	298,773	474,360
8	“"Progenitor Cells”	Title, abstract, and keywords	79,113	58,392	125,821
9	“Mother Cells”	Title, abstract, and keywords	4,991	1,199	4,511
10	“Colony-Forming Unit”	Title, abstract, and keywords	62,365	32,525	46,925
11	#7 OR #8 OR #9 OR #10	No	582,140	341,572	562,836
12	#6 AND #11	Open access; year: 2003/01/01 to 2021/09/01; article type: journal, control trial, randomized control trial, and human.	126	105	215