Testing the universality of the star-formation efficiency in dense molecular gasY. Shimajiri, Ph. André, J. Braine, V. Könyves, N. Schneider, S. Bontemps, B. Ladjelate, A. Roy, Y. Gao and H. ChenA&A, 604 (2017) A74DOI: https://doi.org/10.1051/0004-6361/201730633