(Q43443462)
Statements
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The international collaborative study on the first international standard of birch (Betula verrucosa)-pollen extract (English)
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Arntzen FC
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Wilhelmsen TW
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Løwenstein H
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Gjesing B
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Maasch HJ
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Strömberg R
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Einarsson R
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Backman A
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Mäkinen-Kiljunen S
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Ford A
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1 January 1989
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83
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1
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66-82
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Identifiers
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