S. Andrzejczuk, E. Chwiejczak, U. Kosikowska, D. Stepien-Pysniak, and A. Malm, “Phenotypic diversity of Haemophilus influenzae and Haemophilus parainfluenzae isolates depending on origin and health condition”, Curr. Issues Pharm. Med. Sci., vol. 30, no. 2, pp. 90–99, Oct. 2017, doi: 10.1515/cipms-2017-0018.