@article{1998_1,
  title = "Pulmonary blood flow measured by inspiratory inert gas concentration forcing oscillations",
  author = "E.M.\ Williams and M.C.\ Sainsbury and L.\ Sutton and L.\ Xiong and A.M.S.\ Black and J.P.\ Whiteley and D.J.\ Gavaghan and
C.E.W.\ Hahn",
  year = "1998",
  journal = "Respiration Physiology",
  pages = "47--56",
  volume = "113",
}