| NFS | National Fertility Study; no fracture seen |
|---|---|
| TFR | total fertility rate; total flow resistance; transferrin receptor |
| IBP | insulin-like growth factor binding protein; International Biological Program; intra-aortic balloon p... |
| ISCP | infection surveillance and control program; International Society of Comparative Pathology |
| ERF | Education and Research Foundation; external rotation in flexion; Eye Research Foundation |