The (often spelled Nan Jing ), or The Classic of Difficult Issues , is a foundational text in Chinese medicine compiled around the 1st or 2nd century A.D. . It serves as a systematic clarification of 81 complex questions arising from the Huang-ti nei-ching ( The Yellow Emperor’s Inner Classic ). Guide to the Nan-ching

Nan-ching-The Classic of Difficult Issues (Comparative ... - eBay

: The book uses a question-and-answer format to address 81 "difficulties" or issues. Key Clinical Topics :

Nan-Ching by Paul Unschuld - Hardcover - University of California Press. University of California Press

: Offers a coherent system of needling therapy, explaining the use of specific points.