| short-winded | Affected with shortness of breath; having a quick, difficult respiration, as dyspnoic and asthmatic persons. Source: Websters Dictionary (01 Mar 1998) |
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| LTDH short chain dehydrogenase | <enzyme> Has been sequenced; responsible for methotrexate resistance; isolated from leishmania sp. Registry number: EC 1.3.- Synonym: ltdh gene product, pteridine reductase 1, ptr1 gene product, hmtx(r) gene product (26 Jun 1999) |