| IWB | indeterminate [HIV-1] Western blot; index of well being |
|---|---|
| WB | waist belt; washable base; washed bladder; water bottle; Wechsler-Bellevue [Scale]; weight-bearing; ... |
| WE | wax ester; Wernicke encephalopathy; western encephalitis; western encephalomyelitis; wound of entry |
| RIBA | Recombinant Immuno-Blot Assay |
| BLOT | British Library of Tape |