| PCA | para-chloramphetamine; parietal cell antibody; passive cutaneous anaphylaxis; patient care assistant... |
|---|---|
| RPA | radial photon apsorptiometry; replication protein A; resultant physiologic acceleration; reverse pas... |
| SRF-A | slow-reacting factor-anaphylaxis |
| SRSA, SRS-A | slow-reacting substance of anaphylaxis |