title: Modification of a sigmoidal equation for the pulmonary pressure-volume curve for asymmetric data.
authors.forename: Dietrich
authors.initials: D
authors.lastname: Henzler
authors.forename: Sandra
authors.initials: S
authors.lastname: Orfao
authors.forename: Rolf
authors.initials: R
authors.lastname: Rossaint
authors.forename: Ralf
authors.initials: R
authors.lastname: Kuhlen
mesh_terms: D006801:Humans; D008168:Lung / Q000502:physiology*; D008176:Lung Volume Measurements; D008954:Models, Biological; D011312:Pressure; D012129:Respiratory Function Tests / Q000379:methods*