Why does ClinicalKey not provide access to all ancillary content mentioned in books and journals?

ClinicalKey is a unique product, providing clinical answers from many content sources, including full text from more than a thousand Elsevier books and more than 650 Elsevier journals. As Elsevier books and journals are also purchased by individual clinicians, many of the titles reside on an individual e-platform (Expert Consult, Student Consult, Evolve, etc.). On those platforms, authors often include a number of ancillary resources, such as video libraries, additional references, self-assessment Q&As, podcasts, other audio (heart and lung sounds), morphology and pathology specimens, lecture slides, etc. These act as enhancements to the core printed text, which is a standalone resource on its own. 

There are two main reasons ancillary material may be unavailable in ClinicalKey:

• ClinicalKey as a platform has very specific technical requirements for content ingestion and delivery, and there is no one-size-fits-all approach to standardizing all the ancillary content across all book titles. We try to convert all material to fit the technical standards imposed by the ClinicalKey platform.
• ClinicalKey's product mission is to provide clinical answers that support patient care use cases, the rest of ancillary content is not in scope for this platform. For instances where book or journal XML contains links to such ancillaries that aren't functional on ClinicalKey, our team is working to suppress those links from appearing. We apologize for any confusion these may cause.