| HARD | +/- E hydrocephalus-agyria-retinal dysplasia plus or minus encephalocele [syndrome] |
|---|---|
| HSAS | hydrocephalus due to stenosis of aqueduct of Sylvius; hypertrophic subaortic stenosis |
| IH | idiopathic hirsutism; idiopathic hypercalciuria; immediate hypersensitivity; incompletely healed; in... |
| NPH | neutral protamine Hagedorn (insulin) [not used anymore]; normal pressure hydrocephalus; nucleus pulp... |
| IR | drop of voltage across a resistor produced by a current; ileal resection; immune response; immunizat... |