# Transthoracic contrast echocardiography using vitamin B6 and sodium bicarbonate as contrast agents for the diagnosis of patent foramen ovale

> Research article (International journal of cardiac imaging, 2017) · cited 12× · AI/ML

**Wikidata**: [openalex:W2587750480](https://www.wikidata.org/wiki/openalex:W2587750480)  
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