| WMA | World Medical Association, Wall motion abnormality |
|---|---|
| Xi | inactive X Chromosome |
| CH | case history; Chediak-Higashi [syndrome]; chiasma; Chinese hamster; chloral hydrate; cholesterol; Ch... |
| Ch | chest; Chido [antibody]; chief; child; choline; Christchurch [syndrome]; chromosome |
| CHC | chromosome condensation; community health center; community health computing; community health counc... |