[Umeå: investigation cannot explain abnormalities].
D000014:Abnormalities, Drug-Induced / Q000209:etiology*; D000395:Air Pollutants, Occupational / Q000009:adverse effects*; D006801:Humans; D009726:Nurses; D013548:Sweden
D000395:Air Pollutants, Occupational
Umeå: utredningen kan inte förklara missbildningarna.