| NNP | neonatal nurse practitioner; nerve net pulse |
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| NPR | net protein ratio; normal pulse rate; nucleoside phosphoribosyl |
| PAM | pancreatic acinar mass; penicillin aluminum monostearate; peptidylglycine alpha-amidating monooxygen... |
| PBPI | penile-brachial pulse index |
| PCP | parachlorophenate; patient care plan; pentachlorophenol; 1-(1-phenylcyclohexyl)piperidine; periphera... |
| Lister's method | Antiseptic surgery, as first advocated by Lister in 1867; the operation was performed under a cloud of diluted carbolic acid spray, the instruments were dipped in a carbolic solution before use, and the wound was dressed with a thick layer of carbolised gauze; from this was developed the present practice of aseptic surgery. Synonym: listerism. (05 Mar 2000) |
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| lod method | <genetics> A method of linkage analysis using an examination of the common logarithm of the ratio of the likelihood for a particular value of the recombination fraction to that if the recombination fraction is 0.5 (i.e., no linkage); thus, a lod score of 3 at a recombination fraction of 0.2 means that the data are 1000 times more readily explained by supposing a recombination fraction of 0.2 than by supposing the loci are unlinked and the recombination fraction is 0.5. Origin: Logarithm of the odds (05 Mar 2000) |
| longitudinal method | In developmental psychology, the study of the life span of one individual involving comparisons of different age levels. Compare: cross-sectional method. (05 Mar 2000) |