Vega test References
American Academy of Allergy Asthma & Immunology (AAAAI).
Fehrenbach J, Noll H, Nolte HG, et al. Short manual of the Vega test-method. Schiltach: BER, 1986.
Krop J, Lewith GT, Gziut W, et al. A double blind, randomized, controlled investigation...
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