Forming an early O-type star through gas accretion? L. A. Zapata, A. Palau, P. T. P. Ho, P. Schilke, R. T. Garrod, L. F. Rodríguez and K. Menten A&A, 479 2 (2008) L25-L28 Published online: 18 December 2007 DOI: 10.1051/0004-6361:20078846