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Becker S
Zieglmayer P
Canto G
Fassio F
Yong P
Acikel C
Raskopf E
Steveling E
Allekotte S
Msges R
Department of Otorhinolaryngology, Head and Neck Surgery, University Medicine Gottingen, Gottingen, Germany
Vienna Challenge Chamber, Vienna, Austria
Hospital Infanta Sofia, Madrid, Spain
Allergy and Clinical Immunology Unit, Azienda Usl Toscana Centro, Ospedale San Giovanni di Dio, Firenze, Italy
Frimley Park Hospital, Frimley, UK and Royal Surrey County Hospital, Guildford, United Kingdom
ClinCompetence Cologne GmbH, Cologne, Germany
Dermatology Department, Division of Allergy, University Hospital Basel, Basel, Switzerland
Institute of Medical Statistics and Computational Biology, University Hospital Cologne, Cologne, Germany
Germany
Austria
Spain
Italy
United Kingdom
Switzerland
N/A
Autoimmune (AI)
Asthma
N/A
L-Tyrosine
N/A
Placebo Control
Double Blind/Blinded
Controlled
NA
N/A
N/A
N/A