| Label | Id | |
|---|---|---|
| antistatic agent | http://id.nlm.nih.gov/mesh/2021/D055359 | |
| Anti-tetanus immunoglobulin | http://id.nlm.nih.gov/mesh/2021/D013743 | |
| antitoxin | http://id.nlm.nih.gov/mesh/2021/D000992 | |
| antituberculous drug | http://id.nlm.nih.gov/mesh/2021/D000995 | |
| antitussive | http://id.nlm.nih.gov/mesh/2021/D000996 | |
| antivenom | http://id.nlm.nih.gov/mesh/2021/D000997 | |
| antlers | http://id.nlm.nih.gov/mesh/2021/D000999 | |
| ANTU | http://id.nlm.nih.gov/mesh/2021/C005277 | |
| Anura | http://id.nlm.nih.gov/mesh/2021/D001001 | |
| anxiety disorder | http://id.nlm.nih.gov/mesh/2021/D001008 | |
| anxiety | http://id.nlm.nih.gov/mesh/2021/D001007 | |
| anxiolytic | http://id.nlm.nih.gov/mesh/2021/D014151 | |
| aortic aneurysm | http://id.nlm.nih.gov/mesh/2021/D001014 | |
| Aortic body | http://id.nlm.nih.gov/mesh/2021/D001016 | |
| aortic sinus | http://id.nlm.nih.gov/mesh/2021/D012850 |