| HPA | Health Care Practice Act; Health Policy Agenda for the American People; health promotion advocates; ... |
|---|---|
| HPO | high-presure oxygen; hydroperoxide; hydrophilic ointment; hypertrophic pulmonary osteoarthropathy |
| HPOA | hypertrophic pulmonary osteoarthropathy |
| HPS | Hantavirus pulmonary syndrome; hematoxylin, phloxin, and saffron; Hermansky-Pudlak syndrome; high-pr... |
| HSAS | hydrocephalus due to stenosis of aqueduct of Sylvius; hypertrophic subaortic stenosis |