पौडेल ग. लृवर्णको आवश्यकता र औचित्य {Necessity and justification of saliva}. NUTA Jnl [Internet]. 2021 Dec. 31 [cited 2024 Dec. 26];8(1-2):147-56. Available from: https://nepjol.info./index.php/nutaj/article/view/44117