A pilot study on the impact of blended learning in enhancing nurses' hand hygiene knowledge. - Linnik, Ljudmila; Sepp, Jaana; Reinhold, Karin; Lőrincz, Attila; Nool, Irma; Verro, Anna; Ööpik, Mari-Ann; Balogh, Zoltán (Proceedings of the Estonian Academy of Sciences, 2025)