| Label | Id | |
|---|---|---|
| African swine fever | http://id.nlm.nih.gov/mesh/2021/D000357 | |
| African swine fever virus | http://id.nlm.nih.gov/mesh/2021/D000358 | |
| African trypanosomiasis | http://id.nlm.nih.gov/mesh/2021/D014353 | |
| African Union | http://id.nlm.nih.gov/mesh/2021/D000068516 | |
| afterimage | http://id.nlm.nih.gov/mesh/2021/D000360 | |
| agammaglobulinemia | http://id.nlm.nih.gov/mesh/2021/D000361 | |
| Agapornis | http://id.nlm.nih.gov/mesh/2021/D046710 | |
| agar | http://id.nlm.nih.gov/mesh/2021/D000362 | |
| Agaricales | http://id.nlm.nih.gov/mesh/2021/D000363 | |
| Agaricus | http://id.nlm.nih.gov/mesh/2021/D000364 | |
| Agarose gel electrophoresis | http://id.nlm.nih.gov/mesh/2021/D004587 | |
| Agastache | http://id.nlm.nih.gov/mesh/2021/D031327 | |
| Agatoxin | http://id.nlm.nih.gov/mesh/2021/D060848 | |
| Agave | http://id.nlm.nih.gov/mesh/2021/D027882 | |
| ageism | http://id.nlm.nih.gov/mesh/2021/D063506 |