Fig. 1From: Subcutaneous immunotherapy with depigmented-polymerized allergen extracts: a systematic review and meta-analysisFlow Diagram of depigmented polymerized immunotherapy studies selection. Data recorded by two researchers were compared. When no agreement was found in a particular issue, the original paper was reanalyzed until a consensus decision was reached. Studies published as continuations of previously published studies were excluded to prevent repetition of dataBack to article page