Lovrenski, J., Petrović, S., Balj-Barbir, S., Jokić, R., & Vilotijević-Dautović, G. (2016). Stethoscope vs. ultrasound probe - which is more reliable in children with suspected pneumonia?. Acta Medica Academica, 45(1), 39. https://doi.org/10.5644/ama2006-124.155