
The determination of exogenous formaldehyde in blood of rats during and after inhalation exposure
Keywords: FA, formaldehyde; NALT, nasopharynx-associated lymphoid tissue; FDH, formaldehyde dehydrogenase; GLP, Good Laboratory Practice; FA-DNPH, formaldehyde-2,4-dinitrophenylhydrazine; 2,4-DNPH, 2,4-dinitrophenylhydrazine; HPLC, High Performance Liquid Chromatog