title: Use of Tetrahymena pyriformis to evaluate the effects of purine and pyrimidine analogs.
mesh_terms: D000225:Adenine / Q000032:analysis; D000818:Animals; D000963:Antimetabolites / Q000032:analysis*; D003470:Culture Media; D015122:Mercaptopurine / Q000032:analysis; D009705:Nucleosides / Q000032:analysis; D011687:Purines / Q000032:analysis*; D011743:Pyrimidines / Q000032:analysis*; D013768:Tetrahymena / Q000378:metabolism*; D013866:Thioguanine / Q000032:analysis
chemical_list: D000963:Antimetabolites; D003470:Culture Media; D009705:Nucleosides; D011687:Purines; D011743:Pyrimidines; D015122:Mercaptopurine; D013866:Thioguanine; D000225:Adenine