[Hidden formaldehyde].
D002273:Carcinogens; D005557:Formaldehyde / Q000009:adverse effects* / Q000378:metabolism; D006801:Humans; D008709:Methenamine / Q000032:analysis* / Q000378:metabolism; D004364:Pharmaceutical Preparations / Q000378:metabolism
D002273:Carcinogens; D004364:Pharmaceutical Preparations; D005557:Formaldehyde; D008709:Methenamine
Verborgen formaldehyde.