| TCPD50 | 50% tissue culture protective dose |
|---|---|
| UC | ulcerative colitis; ultracentrifugal; umbilical cord; unchanged; unclassifiable; unconscious; undiff... |
| UCBC | umbilical cord blood culture |
| CNPV | Continuous Negative Pressure Ventilation |
| CPAP | Continuous Positive Airway Pressure |