APA (7th ed.) Citation

BioMed Central Ltd. (2003). Cardiovascular ultrasound. BioMed Central.

Chicago Style (17th ed.) Citation

BioMed Central Ltd. Cardiovascular Ultrasound. London, UK: BioMed Central, 2003.

MLA (9th ed.) Citation

BioMed Central Ltd. Cardiovascular Ultrasound. BioMed Central, 2003.

Warning: These citations may not always be 100% accurate.