[-14C] formaldehyde: a possible contaminant of [-14C] dimethylnitrosamine.
D000818:Animals; D002250:Carbon Radioisotopes; D002852:Chromatography, Ion Exchange; D004128:Dimethylnitrosamine / Q000032:analysis* / Q000378:metabolism; D005557:Formaldehyde / Q000032:analysis*; D008168:Lung / Q000378:metabolism; D008297:Male; D051379:Mice; D008815:Mice, Inbred Strains; D009602:Nitrosamines / Q000032:analysis*
D002250:Carbon Radioisotopes; D009602:Nitrosamines; D005557:Formaldehyde; D004128:Dimethylnitrosamine