#10
Search (#8) AND (#7) Limits: only items with links to free full text, Humans, Meta-Analysis
15:28:54
2
#9
Search (#8) AND (#7)
15:21:04
954
#8
Search (pneumonia) AND (specificity[Title/Abstract])
15:14:26
1431
#7
Search ("Pneumonia"[Mesh] OR ("Pneumonia/classification"[Mesh] OR "Pneumonia/diagnosis"[Mesh]))