title: Estimation of the ratio (gamma) of poly(ADP-ribose) synthetase activity in non-lower-crypt cells to that in lower-crypt cells in vovo from an analysis of enzyme activities and thymidine incorporation in populations of sequentially isolated cells.
mesh_terms: D000818:Animals; D002455:Cell Division; D004847:Epithelial Cells; D004848:Epithelium / Q000201:enzymology; D006168:Guinea Pigs; D066298:In Vitro Techniques; D007583:Jejunum / Q000166:cytology / Q000201:enzymology*; D008297:Male; D009244:NAD+ Nucleosidase / Q000378:metabolism*; D011065:Poly(ADP-ribose) Polymerases / Q000378:metabolism*
chemical_list: D011065:Poly(ADP-ribose) Polymerases; D009244:NAD+ Nucleosidase