Quality control of laboratory tests . Tutorial for students of secondary medical and pharmaceutical educational institutions” is an indispensable source of knowledge created by a team of authors, which will become a reliable companion for future specialists in the field of medicine and pharmaceuticals. This book is a deep and practical guide, revealing all the subtleties and nuances of ensuring the accuracy and reliability of laboratory research, which is the cornerstone of modern medical diagnostics and pharmaceutical activity. The focus of this tutorial is on the organization and quality control of laboratory tests. The authors analyze in detail the methods for assessing the accuracy, reproducibility and reliability of laboratory data, and also share practical recommendations for the introduction of internal and external control systems. The book discusses standards and regulations, equipment and reagent requirements, and features of documenting and analyzing results, making it a valuable tool for students enrolled in secondary medical and pharmaceutical schools. The book "Quality Control of Laboratory Research" is suitable not only for students, but also for young specialists who are already starting their way in laboratory diagnostics. Its content is interesting and useful for those who seek to understand how to ensure high standards of accuracy in their professional activities, as well as for teachers looking for relevant materials for training. This book is especially relevant for those who appreciate the practical approach and want not only to master the theory, but also to learn how to apply it in real conditions of laboratory work. The author’s team, united by rich experience in the field of laboratory diagnostics, pharmaceuticals and medical education, has created a work that is distinguished by clarity of presentation, structured presentation of material and a modern approach to learning. The style of the author is a combination of scientific rigor and accessibility, which makes complex topics understandable even for beginners. There are many illustrations, diagrams and examples in the book, which contributes to better assimilation of information and practical application of knowledge. The topics raised in this tutorial cover a wide range of aspects of quality control from theoretical foundations to practical methods of evaluating and ensuring the accuracy of laboratory tests. Particular attention is paid to standardization issues, methods of error detection, as well as modern technologies and automated control systems. The book emphasizes the importance of ethics and responsibility of every specialist working with medical and pharmaceutical analyses, making it not only a textbook, but also a guide to professional ethics. If you are looking for a book that will help you understand how to ensure a high level of accuracy and reliability of laboratory tests, "Laboratory Quality Control" will become your reliable assistant. It can be compared with modern textbooks on laboratory diagnostics, such as “Laboratory diagnostics” or “Medical laboratory equipment”, but it stands out for its practical bias and relevance for students of secondary medical and pharmaceutical educational institutions. This book is an excellent choice for those who want not only to master the theoretical foundations, but also to learn how to apply them in real life, ensuring the quality and safety of medical services. It will help to develop the professional skills necessary for a successful career in laboratory diagnostics, pharmaceuticals and medical control. As a result, the Quality Control of Laboratory Research is not only a textbook, but also an important contribution to the development of the professional culture of future specialists, for whom accuracy and responsibility are the key to human health and life.