| SONH | spontaneous osteonecrosis of the hip |
|---|---|
| TOH | transient osteoporosis of hip |
| TSH | thyroid-stimulating hormone; transient synovitis of the hip |
| APR | abdominoperineal resection; absolute proximal reabsorption; acute phase reaction or reactant; amebic... |
| ARR | aortic root replacement |