Two-loop QCD corrections to the MSSM Higgs masses beyond the effective-potential approximation G. Degrassi, S. Di Vita and P. Slavich Eur. Phys. J. C, 75 2 (2015) 61 Published online: 10 February 2015 DOI: 10.1140/epjc/s10052-015-3280-5