Columbia subject headings:
Medical care--Technological innovations--Congresses.
Medical innovations--Evaluation--Congresses.
Medical technology--Evaluation--Congresses.
Meta-analysis--Congresses.
Harvard subject headings:
Medical care--Technological innovations--Congresses.
Medical innovations--Evaluation--Congresses.
Medical technology--Evaluation--Congresses.
Meta-analysis--Congresses.
Princeton subject headings: