@misc{indiciaea9d104d5fd58, title = {Functional respiratory disorders.}, author = {L Butani and E J O'Connell}, year = {1997}, doi = {10.1016/s1081-1206(10)63094-3}, url = {https://pubmed.ncbi.nlm.nih.gov/9291412/}, note = {Source identifier: 9291412} }