Hα line profiles for a sample of supergiant HII regions - III. Model line profiles M. Rozas, M. G. Richer, W. Steffen, G. García-Segura and J. A. López A&A, 467 2 (2007) 603-610 Published online: 02 November 2006 DOI: 10.1051/0004-6361:20065262