Astanga Hrudaya
सिरां जालन्धरां नाम तिस्रश्चाभ्यन्तराश्रिताः। षोडशद्विगुणाः श्रोण्यां, तासांद्वे द्वे तु वङ्क्षणे॥२१॥
one by name Jalandhanra and three situated deep insides, should not be cut (for performing venesection) in the sroni (pelvis) these are twice the sixteen i.e. thirty-two siras of them,
english translation
sirAM jAlandharAM nAma tisrazcAbhyantarAzritAH। SoDazadviguNAH zroNyAM, tAsAMdve dve tu vaGkSaNe॥21॥
hk transliteration by Sanscript