Skorek, Piotr. “Securing the Loan Agreement of an Entity Conducting Private Medical Activity in Poland by Means of an Assignment of Receivables from a Contract With the Narodowy Fundusz Zdrowia (National Health Fund)”. Actual Problems of Law, no. 4, Mar. 2022, pp. 79-81, https://doi.org/10.35774/app2021.04.079.