Feulgen cytophotometry of pine nuclei; effects of fixation, role of formalin.
D002467:Cell Nucleus; D004247:DNA / Q000032:analysis; D005557:Formaldehyde; D006652:Histological Techniques; D010783:Photometry; D013053:Spectrophotometry; D013194:Staining and Labeling; D014197:Trees / Q000166:cytology
D005557:Formaldehyde; D004247:DNA