@misc{indiciaecb84697a5c49, title = {Ultrasound in developing world.}, author = {P F Hoyer and M Weber}, year = {1997}, doi = {10.1016/s0140-6736(05)62498-1}, url = {https://pubmed.ncbi.nlm.nih.gov/9357439/}, note = {Source identifier: 9357439} }