title: Physical activity contradictorily affects bone mineral density in obstructive sleep apnea patients at different ages.
authors.affiliation: Sleep Medicine Centre, Neurophysiopathology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy. Electronic address: dott.claudioliguori@yahoo.it.
authors.forename: Claudio
authors.initials: C
authors.lastname: Liguori
authors.affiliation: Sleep Medicine Centre, Neurophysiopathology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy.
authors.forename: Francesca
authors.initials: F
authors.lastname: Izzi
authors.affiliation: Sleep Medicine Centre, Neurophysiopathology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy; Fondazione Santa Lucia IRCCS, Rome, Italy.
authors.forename: Nicola Biagio
authors.initials: NB
authors.lastname: Mercuri
authors.affiliation: Department of Orthopedics and Traumatology, University of Rome "Tor Vergata", Rome, Italy.
authors.forename: Umberto
authors.initials: U
authors.lastname: Tarantino
authors.affiliation: Sleep Medicine Centre, Neurophysiopathology Unit, Department of Systems Medicine, University of Rome "Tor Vergata", Rome, Italy.
authors.forename: Fabio
authors.initials: F
authors.lastname: Placidi
mesh_terms: D000368:Aged; D015519:Bone Density; D015444:Exercise; D006801:Humans; D010024:Osteoporosis; D012307:Risk Factors; D020181:Sleep Apnea, Obstructive