No.	Searches	Results
1	parkinsonism	30,678
2	Parkinson disease	143,921
3	parkinson*.tw,kw,jn.	162,520
4	(lewy adj2 bod*).tw,kw.	13,453
5	paralysis agitans.tw,kw.	494
6	1 or 2 or 3 or 4 or 5	200,869
7	dysphagia	66,007
8	swallowing	23,295
9	dysphag*.tw,kw,jn.	47,989
10	deglut*.tw,kw.	6,600
11	swallow*.tw,kw.	45,782
12	7 or 8 or 9 or 10 or 11	109,644
13	6 and 12	3,116
14	13 not ((exp animals/ or exp animal experimentation/ or nonhuman/) not exp human/)	3,044
15	14 not ((exp embryo/ or exp fetus/ or exp juvenile/) not exp adult/)	2,979
16	limit 15 to (conference abstract or conference paper or “conference review”)	1,010
17	15 not 16	1,969
18	17 not medline.cr.	1,799
19	limit 18 to english language	1,622