@misc{indiciaed24746872afd, title = {[Validating a 7-channel ambulatory polygraph unit. 2: Simultaneous polysomnography].}, author = {T Verse and W Pirsig and B Junge-Hülsing and B Kroker}, year = {1999}, url = {https://pubmed.ncbi.nlm.nih.gov/10407730/}, note = {Source identifier: 10407730} }