AUTHOR=Schein Catherine H. , Negi Surendra S. , Braun Werner TITLE=Still SDAPing Along: 20 Years of the Structural Database of Allergenic Proteins JOURNAL=Frontiers in Allergy VOLUME=Volume 3 - 2022 YEAR=2022 URL=https://www.frontiersin.org/journals/allergy/articles/10.3389/falgy.2022.863172 DOI=10.3389/falgy.2022.863172 ISSN=2673-6101