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In two recent papers (arXiv:1002.1971 [hep-ph] and arXiv:0911.2460 [hep-ph])Dermisek and Gunion provide new constraints on a light CP-odd Higgs boson inthe framework of the NMSSM (or similar models) based on experimental data fromLEP, CLEO, BaBar and CDF experiments. In this brief comment we argue thatspecial care is still needed inside a narrow mass window where mixing with$\eta_b$ resonances below $B\bar{B}$ can occur. We also stress that observablestesting lepton universality and a possible distorsion of the bottomonium massspectrum can provide an alternative analysis at (Super) B-factories in thesearch of such an elusive light pseudoscalar Higgs-like object.

Comment on "New constraints of a light CP-odd Higgs boson and related NMSSM Ideal Higgs Scenarios" by Dermisek and Gunion (arXiv:1002.1971 [hep-ph])