| Perez reflex | Running a finger down the spine of an infant held supported in a prone position will normally cause the whole body to become extended. (05 Mar 2000) |
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| Perez' sign | <clinical sign> Rales audible over the upper part of the chest when the arms are alternately raised and lowered; common in cases of fibrous mediastinitis and also of aneurysm of the aortic arch. (05 Mar 2000) |
| Perez, Bernard | <person> French physician, 1836-1903. See: Perez reflex. (05 Mar 2000) |
| Perez, George | <person> Spanish physician, +1920. See: Perez' sign. (05 Mar 2000) |