 The (168 BCE) Quegu shiqi "Eliminating Grain and Eating Qi" manuscript, which was discovered in 1973 among the Mawangdui Silk Texts, is the oldest documented grain-avoidance diet (tr. by Harper 1998:305-9).
<coherence>  The (168 BCE) Quegu shiqi "Eliminating Grain and Eating Qi" manuscript, which was discovered in 1973 among the Mawangdui Silk Texts, is the oldest documented grain-avoidance diet (tr. by Harper 1998:305-9).
 The (168 BCE) Quegu shiqi "Eliminating Grain and Eating Qi" manuscript, which was discovered in 1973 among the Mawangdui Silk Texts, is the oldest documented grain-avoidance diet .