A child was delivered, and both mother and infant were unharmed. A city physician asked him the reason. Pang replied: "The fetus had already emerged from the amniotic sac, but one hand mistakenly grasped the mother's intestine, preventing delivery; administering medicine would be of no benefit. I needled the Hegu (LI-4) acupoint on the infant's hand through the intestinal wall. The infant, feeling pain, immediately retracted the hand, thus facilitating rapid birth. There was no other technique involved."
Commentary: Mr. Pang Anshi was a distinguished physician of the Song Dynasty, author of *Zhangshang Zongbing Lun* (General Discussion on Cold Damage Diseases). Su Dongpo commented: "He truly embodies the spirit of saving lives as taught by ancient sages. Is this not merely for creating an immortal legacy for posterity! His righteousness penetrates both the visible and invisible realms." Alas, due to catastrophic changes over time, his works have rarely been transmitted in the world. My teacher ordered me to collate them anew and have them printed using movable type, appended...