Install dcmtk-doc by entering the following commands in the terminal:
sudo apt update sudo apt install dcmtk-doc
OFFIS DICOM toolkit documentation
DCMTK includes a collection of libraries and applications for examining, constructing and converting DICOM image files, handling offline media, sending and receiving images over a network connection, as well as demonstrative image storage and worklist servers. . This package contains the on-line documentation for the DCMTK libraries and utilities in HTML format.