title: On the development of quantitative cytochemical techniques for studies of cell nuclei.
mesh_terms: D000818:Animals; D002467:Cell Nucleus / Q000648:ultrastructure*; D005470:Fluorometry / Q000295:instrumentation; D006651:Histocytochemistry / Q000295:instrumentation*; D006801:Humans; D007368:Interferometry / Q000295:instrumentation; D013053:Spectrophotometry / Q000295:instrumentation