title: Formalin is a 40% solution of gaseous formaldehyde.
authors.forename: L M
authors.initials: LM
authors.lastname: Freeman
mesh_terms: D015179:Colorectal Neoplasms; D005557:Formaldehyde; D006801:Humans; D009364:Neoplasm Recurrence, Local; D009626:Terminology as Topic
chemical_list: D005557:Formaldehyde