3Cui Y F, Yang H, Wu S X, et al. Molecular mechanism of damage and repair of mouse thymus lymphocytes induced by radiation [ J ]. Chin Med J, 2002, 115 (7) : 1070.
6Djeraba A, Quere P. In vivo macrophage activation in chickens with Acemannan, a complex carbohydrate extracted from aloe vera [ J ]. Int J immunopharmacol, 2000, 22 (5): 365.
7Heck HD, Casanova Schmitz M, Dodd PB, et al. Formaldehyde(CH2O) concentrations in theblood of humans and Fischer - 344 rats exposed to CHO under controlled conditions[J]. Am IndHygAssoc, 1985, 46(1): 1-3.
8Caaanova M, Heck HD, Everitt JI, et al. Formaldehyde concentrations in the blood of Rhesusmonkeys after inhalation exposure[J ].Food Chem Toxicol, 1988, 26(8) :715 - 716.
9Einbrodt HJ, Prajsnar D, Erpenbeck J. Formaldehyde and formic acid level in the blood andurine of people following previous exposition to formaldehyde [ J ]. Zentralbl Arbeitsmed Arbeitsschutz Prophyl, 1976, 26(8): 154 - 158.
10Gonschling LM, Beaulieu HJ, Melvin WW. Monitoring of formic acid in urine of humansexposed to low levels offormaldehyde[J ].Am Ind Hyg Assoc J, 1984, 45( 1 ): 19 - 23.
