Pulmonary surfactant is a mixture of phospholipids and proteins synthesized in alveolar type-II cells that is necessary for maintaining alveolar expansion at end-expiration. Phospholipids comprise ...
The Annals of Statistics, Vol. 37, No. 3 (Jun., 2009), pp. 1360-1404 (45 pages) We study the problem of nonparametric estimation of a multivariate function $g ...