Search publications from the National Library of Medicine.mPublication was designed for MicroHealth employees to help search National Library of Medicine Digital Collection. Digital Collections is the National Library of Medicine's free online archive of biomedical books and videos. Digital Collections provides unique access to NLM's rich, historical resources. You are more than welcome to use this application however it was designed for internal use at MicroHealth therefore support will be limited. The content is NOT intended to be a substitute for professional medical advice or current medical practices.