Astanga Hrudaya
सुविक्षतोऽप्यतो जीवेदमर्मणि न मर्मणि । प्राणघातिनि जीवेत्तु कश्चिद्वैद्यगुणेन चेत् ॥ ६८ ॥
Reasons for avoidance of administration of alkalis, poisonous medicines etc on the vital spots: Though wounded greatly in places other than marmas (vital spots), the person survives but not so when injured on the vital spots; for, these are destroyers of life, some may survive by the expertise of the physician and partial injury to them,
english translation
suvikSato'pyato jIvedamarmaNi na marmaNi । prANaghAtini jIvettu kazcidvaidyaguNena cet ॥ 68 ॥
hk transliteration by Sanscript