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- [1] IMMUNOTHERAPY WITH PARTIALLY PURIFIED AND STANDARDIZED TREE POLLEN EXTRACTS .2. RESULTS OF SKIN PRICK TESTS AND NASAL PROVOCATION TESTS FROM A 3-YEAR DOUBLE-BLIND STUDY OF PATIENTS TREATED WITH POLLEN EXTRACTS EITHER OF BIRCH OR COMBINATIONS OF ALDER, BIRCH AND HAZEL ALLERGY, 1988, 43 (05) : 363 - 369
- [8] Clinical efficacy of subcutaneous immunotherapy in birch pollen allergic patients: a randomized, double-blind, placebo-controlled study with recombinant Bet v 1 versus natural Bet v 1 or standardized birch extract CLINICAL AND EXPERIMENTAL ALLERGY, 2006, 36 (09): : 1206 - 1206