article_metadata: Kerri Layman Michael Antonis Jonathan E Davis
article_metadata: 10.1155/2013/982318
article_metadata: Emerg Med Int
article_metadata: 2013;2013:982318.
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/23997954/
article_metadata: PMC3753733
article_metadata: 23997954
article_metadata: Pitfalls in emergency department focused bedside sonography of first trimester pregnancy
article_metadata: 2013