[Radioprotective effects of some new purine and pyrimidine derivatives].
D011687:Purines / Q000494:pharmacology*; D011743:Pyrimidines / Q000494:pharmacology*; D011835:Radiation Protection
D011687:Purines; D011743:Pyrimidines; C030986:pyrimidine; C030985:purine
PURINES/pharmacology; PYRIMIDINES/pharmacology; RADIATION PROTECTION