714517.fig.001a
(a)
714517.fig.001b
(b)
714517.fig.001c
(c)
714517.fig.001d
(d)
714517.fig.001e
(e)
714517.fig.001f
(f)
Figure 1: Typical tongue manifestations in the study. Notes: (a) common tongue manifestation of yang deficiency syndrome; (b) common tongue manifestation of yin deficiency syndrome; (c) common tongue manifestation of Qi deficiency syndrome; (d) common tongue manifestation of turbid phlegm syndrome; (e) and (f) common tongue manifestation of blood stasis syndrome.