Competitive inhibition of  3 H-thymidine incorporation into DNA.
D000818:Animals; D001345:Autoradiography; D001853:Bone Marrow / Q000378:metabolism; D001854:Bone Marrow Cells; D002460:Cell Line; D003470:Culture Media; D046508:Culture Techniques; D004247:DNA / Q000096:biosynthesis* / Q000378:metabolism; D006168:Guinea Pigs; D013936:Thymidine / Q000378:metabolism*; D014316:Tritium / Q000378:metabolism*
D003470:Culture Media; D014316:Tritium; D004247:DNA; D013936:Thymidine