There are multiple definitions:
plasma protein fraction(English)
- administration in the management of critically ill patients
- HAS
- Intensive care medicine, Emergency medicine
- https://doi.org…651858.CD001208
pitch perturbation factor(English)
- defined as the ratio of the number of periods found perturbed to the number of periods considered for counting
- DLT
- Voice & speaking, Ratio-based metric
- https://doi.org…8-981-13-8403-5
pterygopalatine fossa(English)
- a small neurovascular junction in the deep face with important to-and-fro connections. Awareness of its anatomy and communications helps to simplify imaging of its pathology. Perineural tumor spread is clinically the most important pathology in this region
- HRCT, IOF, ION, ITF, MRI, PMF
- Medical imaging
- https://doi.org…3244-016-0498-1