@misc{indiciaeef063a7c40ee, title = {Persistent cough of unexplained origin.}, author = {J R HEAD}, year = {1958}, doi = {10.1016/s0025-7125(16)34331-0}, url = {https://pubmed.ncbi.nlm.nih.gov/13540479/}, note = {Source identifier: 13540479} }