APA citiranje

Telford, L. H., Abdullahi, L. H., Ochodo, E. A., Zühlke, L. J., & Engel, M. E. (2018). Standard echocardiography versus handheld echocardiography for the detection of subclinical rheumatic heart disease: Protocol for a systematic review. BMJ Open.

Citação norma Chicago

Telford, Lisa H., Leila H. Abdullahi, Eleanor A. Ochodo, Liesl J. Zühlke, and Mark E. Engel. "Standard Echocardiography Versus Handheld Echocardiography for the Detection of Subclinical Rheumatic Heart Disease: Protocol for a Systematic Review." BMJ Open 2018.

MLA citiranje

Telford, Lisa H., et al. "Standard Echocardiography Versus Handheld Echocardiography for the Detection of Subclinical Rheumatic Heart Disease: Protocol for a Systematic Review." BMJ Open 2018.