Ashtangasamgraha 8.27

8.27

mahānasaṃ susaṃmṛṣṭaṃ viśvāsyajanasevitam |

saddvāssthādhiṣṭhitadvāraṃ kakṣyāvatsuvitānakam ||

api ca |

na muhyeddehamātradarśanādeva bhiṣagayamupacayena māhāśarīratvādvā balavānayaṃ kṛśatvādalpaśarīratvādvālpabala iti |

taccobhayamapyanyathā dṛṣṭaṃ gajasiṃhe ||

pittena nīlaṃ pītābhaṃ pītābhaḥ sṛjati dravam ||

koṣṭhāśrayamahāmarmapīḍākaratarā hi sā ||

The kitchen should be very clean, attended by trustworthy persons,
with its door guarded by good door-keepers, having compartments, and fitted with a good canopy.

Moreover:
A physician should not be deluded merely by seeing the body, [thinking,] 'This man is strong because of corpulence or because of possessing a large frame,' or 'This man is of little strength because of emaciation or possessing a small frame.'
For both cases are seen otherwise in an elephant and a lion.

Through pitta, one expels blue or yellowish liquid.
For it is indeed more prone to causing pain in the trunk and the great vital points.