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4. Comparative studies on tree pollen allergens. XVII. Immunochemical analysis of the international standardization extracts of birch (Betula verrucosa) pollen as compared with a local partially purified extract. Vik H, Florvaag E, Elsayed S. Ann Allergy; 1987 Jan; 58(1):71-7. PubMed ID: 3800056 [Abstract] [Full Text] [Related]
9. Standardization of allergen extracts. Ribon A, Gavencak J. Ann Allergy; 1978 Nov; 41(5):293-6. PubMed ID: 82414 [Abstract] [Full Text] [Related]
10. Regulatory control and standardization of allergenic extracts. The value of single result potency estimations in stability assessments. Hordle DA, Mehta V. Arb Paul Ehrlich Inst Georg Speyer Haus Ferdinand Blum Inst Frankf A M; 1983 Nov; (78):173-80. PubMed ID: 6625577 [No Abstract] [Full Text] [Related]
11. Extraction procedures for pollen reference preparations. Anderson MC, Baer H. Arb Paul Ehrlich Inst Georg Speyer Haus Ferdinand Blum Inst Frankf A M; 1987 Nov; (80):41-6. PubMed ID: 3688872 [No Abstract] [Full Text] [Related]
17. The effect of the quality of source materials on reference preparations. Anderson MC. Arb Paul Ehrlich Inst Georg Speyer Haus Ferdinand Blum Inst Frankf A M; 1987 Nov; (80):1-6. PubMed ID: 3688849 [No Abstract] [Full Text] [Related]