| Search terms |
| #1 MeSH descriptor: [alpha 1‐Antitrypsin] explode all trees #2 antitrypsin OR "proteinase inhibitor" OR Prolastin OR Aralast OR Zemaira OR Trypsone #3 #1 or #2 #4 lung or pulmonary #5 deficiency #6 random* #7 #4 and #5 and #6 #8 #3 and #7 |
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