@misc{indiciae8052df5a1db0, title = {First experience with a new echographic contrast agent.}, author = {G Cennamo and N Rosa and G F Vallone and F Smaltino}, year = {1994}, doi = {10.1136/bjo.78.11.823}, url = {https://pubmed.ncbi.nlm.nih.gov/7848976/}, note = {Source identifier: 7848976} }