The purine and pyrimidine composition of the tobacco mosaic virus and the Holmes masked strain.
D010758:Phosphorus / Q000032:analysis*; D011687:Purines / Q000032:analysis*; D011743:Pyrimidines; D014027:Tobacco Mosaic Virus; D014780:Viruses
D011687:Purines; D011743:Pyrimidines; D010758:Phosphorus; C030986:pyrimidine; C030985:purine
PHOSPHORUS/determination; PURINES/determination; VIRUSES