Free erythrocyte protoporphyrin fluorescence as an underrecognized prognostic marker of mortality in community-acquired pneumonia
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Community‑acquired pneumonia (CAP) still carries a high long‑term mortality. Free protoporphyrin in erythrocytes (FPP) is a well-recognized biomarker of erythropoietic porphyrias. However, it also reflects impaired heme synthesis, disturbances in iron metabo... ...