| REC | receptor; recombination, recombinant [chromosome] |
|---|---|
| rec | fresh [Lat. recens]; recessive; recombinant chromosome; record; recovery; recurrence, recurrent |
| Rec | Ther recreational therapy |
| CWS | cell wall skeleton; chest wall stimulation; child welfare service; cold water-soluble; cotton wool s... |
| DHEW | Department of Health, Education, and Welfare |