title: Growth-promoting activity of guanine for the purine-deficient Neurospora 28610.
mesh_terms: D006147:Guanine; D006801:Humans; D009414:Nerve Growth Factors; D009491:Neurospora; D011687:Purines; D013307:Streptomycin / Q000494:pharmacology*; D014508:Urea
chemical_list: D009414:Nerve Growth Factors; D011687:Purines; D006147:Guanine; D014508:Urea; C030985:purine; D013307:Streptomycin
keywords: GUANINE; NEUROSPORA; STREPTOMYCIN/effects; UREA