FR

• faculty rater;

• failure rate;

• fasciculus retroflexus;

• febrile reaction;

• feedback regulation;

• film-screen radiograph;

• Fischer-Race [notation];

• fixed ratio;

• flocculation reaction;

• flow rate;

• fluid restriction;

• fluid resuscitation;

• fluid retention;

• framework region [immunoglobulin];

• free radical;

• frequency of respiration;

• frequent relapses