Risk factors in the supply chain management of pharmaceutical raw materials with special consideration of emergent problems: A quantitative study to determine the risk management of the pharmaceutical industry and the potenial redefinition of risks due to the pandemic using the example of the pharmaceutical wholesale trade / Lukas Niemuth, Erich Kalavsky. Acta chemotherapeutica Roč. 31, č. 3 (2022), s. 105-109