[1] [1] Shi Zhandong. Research on noninvasive detection of skin cholesterol[D]. Beijing: University of Chinese Academy of Sciences, 2015: 1-5.

[2] [2] Ye Ping, Chen Hong, Wang Lüya. Dyslipidemia diagnosis and treatment [M]. Beijing: People′s Military Medical Press, 2013: 34-39.

[3] [3] Bouissou H, Pieraggi M T, Julian M, et al. Identifying arteriosclerosis and aortic atheromatosis by skin biopsy[J]. Atherosclerosis, 1974, 19(3): 449-458.

[4] [4] Zawydiwski R, Sprecher D L, Evelegh M J, et al. A novel test for the measurement of skin cholesterol[J]. Clinical Chemistry, 2001, 47(7): 1302-1304.

[5] [5] Mancini G B J, Chan S, Frohlich J, et al. Association of skin cholesterol content, measured by a noninvasive method, with markers of inflammation and Framingham risk prediction[J]. The American Journal of Cardiology, 2002, 89(11): 1313-1316.

[6] [6] Sprecher D L, Goodman S G, Kannampuzha P, et al. Skin tissue cholesterol (SkinTc) is related to angiographically-defined cardiovascular disease[J]. Atherosclerosis, 2003, 171(2): 255-258.

[7] [7] Vaidya D, Ding J, Hill J G, et al. Skin tissue cholesterol assay correlates with presence of coronary calcium[J]. Atherosclerosis, 2005, 181(1): 167-173.

[8] [8] Sprecher D L, Pearce G L. Elevated skin tissue cholesterol levels and myocardial infarction[J]. Atherosclerosis, 2005, 181(2): 371-373.

[9] [9] Tzou W S, Mays M E, Korcarz C E, et al. Skin cholesterol content identifies increased carotidintima-media thickness in asymptomatic adults[J]. American Heart Journal, 2005, 150(6): 1135-1139.

[10] [10] Sprecher D L, Pearce G L. Skin cholesterol adds to Framingham risk assessment[J]. American Heart Journal, 2006, 152(4): 694-696.

[11] [11] Tashakkor A Y, Mancini G. The relationship between skin cholesterol testing and parameters of cardiovascular risk: A systematic review[J]. Canadian Journal of Cardiology, 2013, 29(11): 1477-1487.

[12] [12] Qiu Yan. The principle and application research of diffuse reflectance spectrum[D]. Shanghai: Tongji University, 2007: 1-4.

[13] [13] Wei Huajiang, Xing Da, Wu Guoyong, et al. Using spatially resolved reflectance to measure optical properties of stomach tissue [J]. Chinese J Lasers, 2007, 34(4): 583-586.

[14] [14] Ma Zhao, Liu Ying, Lian Ge. Semi-empirical model for biological tissue diffuse reflectance measurement with small aperture[J]. Chinese J Lasers, 2015, 42(3): 0304001.

[15] [15] Li Fei, Zhang Yuanzhi, Wang Yikun, et al. Determination of optical parameters of turbid media based on real coded genetic algorithm[J]. Acta Optica Sinica, 2013, 33(12): 1217001.

[16] [16] Li Chenxi, Zhao Huijuan, Zheng Jiaxiang, et al. Design and property of depth-selective fiber-optical probes applied in diffuse reflection measurement[J]. Acta Optica Sinica, 2012, 32(7): 0717001.

[17] [17] Li Lanquan, Wei Huajiang, He Bohua, et al. Gastric cancer detection using diffuse reflectance spectral ratio R540/R575 of oxygenated hemoglobin bands[J]. Acta Optica Sinica, 2009, 29(10): 2861-2862.

[18] [18] Zhang Yuanzhi, Pan Liang, Wang Yikun, et al. Calibration for tissue fluorescence spectroscopy system[J]. Laser & Optoelectronics Progress, 2015, 52(8): 081701.

[19] [19] Zhang Bo, Wang Qianqian, Peng Zhong, et al. Measurement system for diffuse reflectivity based on LabVIEW[J]. Infrared and Laser Engineering, 2013, 42(s1): 149-150.

[20] [20] Matsumoto H H, Ota I, Nagaoka T. Detection of skin cholesterol by a molecularly imprinted electrode[J]. Journal of Flow Injection Analysis, 2008, 25(1): 81-84.