TY - GEN AU - Freeman,L M TI - Formalin is a 40% solution of gaseous formaldehyde SN - 0002-9610 PY - 1994///0607 KW - Colorectal Neoplasms KW - Formaldehyde KW - Humans KW - Neoplasm Recurrence, Local KW - Terminology as Topic N1 - Publication Type: Comment; Letter UR - https://doi.org/10.1016/0002-9610(94)90160-0 ER -