Evidence of a SiO collimated outflow from a massive YSO in IRAS 17233–3606 S. Leurini, C. Codella, A. Gusdorf, L. Zapata, A. Gómez-Ruiz, L. Testi and T. Pillai A&A, 554 (2013) A35 Published online: 31 May 2013 DOI: 10.1051/0004-6361/201118154