1. Formaldehyde: How much of a hazard?;Ahmad;Ind. Med. Surg.,1973
2. Occupational asthma;Alanko;Duodecim,1977
3. Nasal cancer in the rat induced by gaseous formaldehyde and hydrogen chloride;Albert;J. Nat. Cancer Inst.,1982
4. Interaction of genetically recombinant chromosomes in the absence of induced mutation;Alderson;Nature,1967
5. The physiological response of guinea pigs to atmospheric pollutants;Amdur;Int. J. Air. Pollut.,1959