The Compendium of Bheḷa 6.24.42

6.24.42

sirāsu sarvagātreṣu majjasvasthigato ' pi vā | nirūpya rūpamuktasya tasya kuryāc cikitsitam ||

or having gone to the vessels, to all the limbs, or to bone and marrow, / having ascertained the symptom of that, one should perform the treatment for it