| ESN | educationally subnormal; estrogen-stimulated neurophysin |
|---|---|
| LASER | light amplification by stimulated emission of radiation |
| MASER | microwave amplification by stimulated emission of radiation |
| NSN | nephrotoxic serum nephritis; nicotine-stimulated neurophysin |
| PHAL | phytohemagglutinin-stimulated lymphocyte |