title: An exchange between free purines and pyrimidines and the aglucones of deoxyribosyl purines and deoxyribosyl pyrimidines.
authors.forename: W S
authors.initials: WS
authors.lastname: MacNUTT
mesh_terms: D006801:Humans; D011687:Purines; D011743:Pyrimidines
chemical_list: D011687:Purines; D011743:Pyrimidines; C030985:purine