procalcitonin and sepsisprocalcitonin sepsis guidelinesprocalcitonin in neonatal sepsisprocalcitonin levels in sepsisrole of procalcitonin in sepsisclinical signs of thrombocytopeniathrombocytopenia in pregnancy symptomscalcitonin sepsismild thrombocytopenia symptomspct sepsisthrombocytopenia side effectsleukopenia and thrombocytopenia