@inproceedings{Hansen:2019r4, author = "Hansen, Martin and Langæble, Kasper and Sannino, Francesco", title = "{Chiral Perturbation Theory with an Isosinglet Scalar}", doi = "10.22323/1.336.0222", booktitle = "Proceedings of XIII Quark Confinement and the Hadron Spectrum {\textemdash} PoS(Confinement2018)", year = 2019, volume = "336", pages = "222" }