@misc{indiciae470313378b89, title = {Phonocephalography: a simple, low-cost non-invasive diagnostic technique. Continued data reporting.}, author = {S Tewfik}, year = {1983}, doi = {10.1017/s0022215100096109}, url = {https://pubmed.ncbi.nlm.nih.gov/6315840/}, note = {Source identifier: 6315840} }