| PMA | index of prevalence and severity of gingivitis, where P = papillary gingiva, M = marginal gingiva, a... |
|---|---|
| HCA | heart cell aggregate; hepatocellular adenoma; home care aide; Hospital Corporation of America; hydro... |
| CAP | camptodactyly-arthropathy-pericarditis [syndrome]; Canada Assistance Plan; capsule; captopril; catab... |
| MPA | mean pulmonary arterial [pressure]; medial preoptic area; Medical Procurement Agency; medroxyprogest... |
| HC | hair cell; hairy cell; handicapped; head circumference; head compression; health care; healthy contr... |