Fig. 1From: Procalcitonin and lung ultrasonography point-of-care testing to decide on antibiotic prescription in patients with lower respiratory tract infection in primary care: protocol of a pragmatic cluster randomized trialStudy design of the randomized intervention study. Abbreviations: PCT: procalcitonin, GPs: general practitioners, ARI: acute respiratory infection, LRTI: lower respiratory tract infectionBack to article page