title: Regulation of the initiation of hemoglobin synthesis in the blood island cells of chick embryos. 3. Qualitative studies of the effects of 8-azaguanine and preparations of transfer RNAs.
mesh_terms: D000818:Animals; D001375:Azaguanine / Q000494:pharmacology*; D001773:Blood Cells / Q000378:metabolism*; D002642:Chick Embryo; D003609:Dactinomycin / Q000494:pharmacology; D005260:Female; D006454:Hemoglobins / Q000096:biosynthesis*; D010063:Ovum / Q000187:drug effects; D012343:RNA, Transfer / Q000096:biosynthesis* / Q000494:pharmacology
chemical_list: D006454:Hemoglobins; D003609:Dactinomycin; D012343:RNA, Transfer; D001375:Azaguanine