Carres Esteve L, Gonzalez Moneo MJ, Alcaraz Puertas S,Alsina Lligadas A, Garcia Casanovas S, Sanz Miralles T SUMMARY Objective: To compare the use of ultrasound-guided venipuncture with blood draw by an expert nurse in patients who need a second try. Design: randomized clinical trial Setting: Primary care center San Martí in Barcelona that serves 45,000 […]
