| GRW | giant ragweed [test] |
|---|---|
| PRW | polymerized ragweed |
| RA | radioactive; ragocyte; ragweed antigen; rapidly adapting [receptors]; reactive arthritis; reciprocal... |
| RAG | ragweed; recombination activating gene |
| RW | radiological warfare; ragweed; respiratory work; Romano-Ward [syndrome]; round window |