《黄帝内经·素问·气府论》
足阳明胃经脉气所发的地方，有六十八府穴：额颅发际旁左右各有三穴。
足阳明脉气所发者，六十八穴：额颅发际旁各三。
Where the Qi of the Foot Yangming Stomach Meridian originates, there are sixty-eight cardinal points: there are three cardinal points on each side, lateral to the hairline of the forehead.