Freund, Y., Rousseau, A., Guyot-Rousseau, F., Claessens, Y., Hugli, O., Sanchez, O., . . . Riou, B. (2015). PERC rule to exclude the diagnosis of pulmonary embolism in emergency low-risk patients: Study protocol for the PROPER randomized controlled study. Trials.

Freund, Yonathan, Alexandra Rousseau, France Guyot-Rousseau, Yann-Erick Claessens, Olivier Hugli, Olivier Sanchez, Tabassome Simon, et Bruno Riou. "PERC Rule to Exclude the Diagnosis of Pulmonary Embolism in Emergency Low-risk Patients: Study Protocol for the PROPER Randomized Controlled Study." Trials 2015.

Freund, Yonathan, et al. "PERC Rule to Exclude the Diagnosis of Pulmonary Embolism in Emergency Low-risk Patients: Study Protocol for the PROPER Randomized Controlled Study." Trials 2015.