Briel, M., Christ-Crain, M., Young, J., Schuetz, P., Huber, P., Périat, P., . . . Müller, B. (2005). Procalcitonin-guided antibiotic use versus a standard approach for acute respiratory tract infections in primary care: Study protocol for a randomised controlled trial and baseline characteristics of participating general practitioners [ISRCTN73182671]. BioMed Central.

Briel, Matthias, Mirjam Christ-Crain, Jim Young, Philipp Schuetz, Peter Huber, Pierre Périat, Heiner C. Bucher, و Beat Müller. Procalcitonin-guided Antibiotic Use Versus a Standard Approach for Acute Respiratory Tract Infections in Primary Care: Study Protocol for a Randomised Controlled Trial and Baseline Characteristics of Participating General Practitioners [ISRCTN73182671]. BioMed Central, 2005.

Briel, Matthias, et al. Procalcitonin-guided Antibiotic Use Versus a Standard Approach for Acute Respiratory Tract Infections in Primary Care: Study Protocol for a Randomised Controlled Trial and Baseline Characteristics of Participating General Practitioners [ISRCTN73182671]. BioMed Central, 2005.