| GPP | generalist physician program; gross primary production |
|---|---|
| HAP | Handicapped Aid Program; Hazardous Air Pollutants [List]; hazardous air pollution; health alliance p... |
| HGP | hepatic glucose production; hyperglobulinemic purpura |
| HP | halogen phosphorus; handicapped person; haptoglobin; hard palate; Harvard pump; health profession(al... |
| IPR | insulin production rate; intraparenchymal resistance; ipratropium |