Accuracy of extended point-of-care lung ultrasound (EPLUS) for aetiological differentiation of lower respiratory tract infections: a prospective cohort study from India - Lisa C. Ruby; Stefan F. Weber; Rajagopal Kadavigere; Raviraj Vedavyasa Acharya; Rahul Magazine; Barkur Ananthakrishna Shastry; Sowmya Joylin; Ayten Sultanli; Tom Heller; Kavitha Saravu; Sabine Bélard (Infectious Diseases, 2025)