title: Irreversible effects of formaldehyde on DNA.
mesh_terms: D002247:Carbon Isotopes; D002499:Centrifugation, Density Gradient; D002586:Cesium; D055598:Chemical Phenomena; D002621:Chemistry; D004247:DNA / Q000032:analysis; D004269:DNA, Bacterial; D003956:Dialysis; D005557:Formaldehyde; D009691:Nucleic Acid Denaturation; D011874:Radiometry; D013296:Streptococcus pneumoniae; D014170:Transformation, Genetic
chemical_list: D002247:Carbon Isotopes; D004269:DNA, Bacterial; D005557:Formaldehyde; D002586:Cesium; D004247:DNA