The chemical reactions and pathways involving one of a family of organic molecules consisting of a purine base covalently bonded to a sugar ribose (a ribonucleoside) or deoxyribose (a deoxyribonucleoside). [ https://www.worldcat.org/search?q=bn%3A0140512713 GOC:jl ]
Synonyms: purine nucleoside metabolism
This is just here as a test because I lose it