Table. 1. Table 1

Trend of research based on HMD.

Category \ Year	’09	’10	’11	’12	’13	’14	’15	’16	’17	’18	’19	’20	’21	’22	’23	Sum	%
Technical element						1	1	2	5	4	5	4	1	2	2	27	22.5
Effect & influence			1					2	2	4	4	2		4	1	20	16.7
Development & application	2		1	1			2	4	9	14	8	8	7	11	6	73	60.8
Sum	2		2	1		1	3	8	16	22	17	14	8	17	9	120	100.0

New Phys.: Sae Mulli 2024;74:69~83 https://doi.org/10.3938/NPSM.74.69

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