Conditions: Food Allergy; Egg Allergy; Hen Egg Allergy
Interventions: Other: oral food challenge (OFC); Other: oral food challenge (OFC)
Sponsors: Medical University of Warsaw
Not yet recruiting Conditions: Food Allergy; Egg Allergy; Hen Egg Allergy
Interventions: Other: oral food challenge (OFC); Other: oral food challenge (OFC)
Sponsors: Medical University of Warsaw
Not yet recruiting