[1] [1] Peter H Siegel. Microwave Theory and Techniques, 2002, 50: 910.

[2] [2] Zhang Cunlin, Mu Kaijun. Laser & Optoelectronics Progress, 2010, 47(2): 023001.

[5] [5] Son J H. Journal of Applied Physics, 2009, 105(10).

[6] [6] Lawrence R C, Hochberg M C, Kelsey J L. J. Rheumatol, 1989, 16(4): 427.

[9] [9] Pickwell-MacPherson E, Huang S Y, Sun Y W, et al. Ieee Eng. Med. Bio., 2008: 3751.

[19] [19] Pickwell-MacPherson E, Kan W C, Lee W S, et al. Ieee Mtt-S International Microwave Symposium Digest, Vols 1-4, 2008: 1540.

[20] [20] Fu L L K, Maffulli N, Yip K M H, et al. Clin Rheumatol, 1998, 17(3): 227.

[21] [21] Fu L L K, Maffulli N, Chan K M. Clin Rheumatol, 2001, 20(2): 98.

[22] [22] Poole A R, Kojima T, Yasuda T, et al. Clin. Orthop. Relat R, 2001, 391: S26.

[23] [23] Kan K W C, Lee W S, Cheung W H, et al. 2008 33rd International Conference on Infrared, Millimeter and Terahertz Waves, Vols 1 and 2, 2008: 570.

[24] [24] Kan K W C, Pickwell-MacPherson E, Cheung W H. 2008 5th International Summer School and Symposium on Medical Devices and Biosensors, 2008: 250.

[25] [25] Kan K W C, Lee W S, Cheung W H, et al. 2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves, Vols 1 and 2, 2009: 83.

[26] [26] Kan W C, Lee W S, Cheung W H, et al. Biomed Opt. Express, 2010, 1(3): 967.

[27] [27] Baughman W, Wilbert D S, Balci S, et al. Int. Conf. Infra. Milli., 2011.

[28] [28] Jung E, Park H, Han H, et al. 2009 34th International Conference on Infrared, Millimeter, and Terahertz Waves, Vols 1 and 2, 2009: 856.

[29] [29] Venables D S, Schmuttenmaer C A. J. Chem. Phys., 2000, 113(24): 11222.

[30] [30] Jung E, Choi H J, Lim M, et al. Biomed Opt. Express, 2012, 3(5): 1110.

[31] [31] Jung E, Park H, Moon K, et al. J. Infrared Millim. Te., 2012, 33(6): 593.

[32] [32] Yokus H, Baughman W, Balci S, et al. Proc. Spie., 2013, 8585.