Mǎ Zìrán jīn dān kǒu jué 馬自然金丹口訣

Oral Instructions on the Gold Elixir by Mǎ Zìrán

attributed to 馬自然 (Mǎ Zìrán) — Northern-Sòng Daoist alchemist

An nèi dān oral-instruction text attributed to Mǎ Zìrán (distinct from the Quán zhēn Mǎ Yù). Preserved as DZ 1157 / CT 1157 (Tài píng bù 太平部).

Dating. Northern Sòng (probably). Dynasty: 北宋.