Dyfyniad APA

Pittiruti, M., LaGreca, A., Scoppettuolo, G., & Sermoneta, D. (2007). Ultrasound-guided vs ultrasound-assisted central venous catheterization. BioMed Central.

Dyfyniad Arddull Chicago

Pittiruti, M., A. LaGreca, G. Scoppettuolo, and D. Sermoneta. Ultrasound-guided Vs Ultrasound-assisted Central Venous Catheterization. BioMed Central, 2007.

Dyfyniad MLA

Pittiruti, M., A. LaGreca, G. Scoppettuolo, and D. Sermoneta. Ultrasound-guided Vs Ultrasound-assisted Central Venous Catheterization. BioMed Central, 2007.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.