[Purine and pyrimidine metabolism].
D009696:Nucleic Acids / Q000378:metabolism*; D011687:Purines / Q000378:metabolism*; D011743:Pyrimidines / Q000378:metabolism*
D009696:Nucleic Acids; D011687:Purines; D011743:Pyrimidines; C030986:pyrimidine; C030985:purine
NUCLEIC ACIDS/metabolism; PURINES/metabolism; PYRIMIDINES/metabolism