The authors of this issue of Hämostaseologie—Progress in Haemostasis on “Progress and Pitfalls in Laboratory Hemostasis Diagnosis” were asked to write conceptual reviews, enucleating the quintessence of their subjects in order to share it with a wide audience. All performed a masterful job and you can now enjoy a collection of jewels, each with its peculiar character, which are presented in five “invisible” sections.
