On April 6, 2021, Vasyl Petrus defended the thesis on the topic "Organization of analytical procedure transfer at a pharmaceutical enterprise" for the degree of Doctor of Philosophy (PhD) (scientific advisor – Dmytro Leontiev, Doctor of Pharmaceutical Sciences, Senior Researcher). The work was carried out at State Enterprise "Ukrainian Scientific Pharmacopeial Center for Quality of Medicines", National Pharmaceutical University and PJSC SIC "Borshagivskiy CPP".
