RT Journal T1 CHest physicians explore worldwide use of home mechanical ventilation JF JAMA JO JAMA YR 1999 FD December 8 VO 282 IS 22 SP 2107 OP 2108 DO 10.1001/jama.282.22.2107 UL http://dx.doi.org/10.1001/jama.282.22.2107 AB