The real life application of a procalcitonin-based algorithm to reduce antibiotic exposure in hospitalized patients with community acquired pneumonia: a proof of concept. Ital J Med [Internet]. 2016 Sep. 30 [cited 2025 Jun. 6];10(3):213-8. Available from: https://www.italjmed.org/ijm/article/view/itjm.2016.643