I've been noticing lately that some PubMed filters (e.g., "clinical trials" filter) aren't very sensitive, i.e. they omit relevant studies. Has anyone published on the sensitivity/specificity of PubMed filters? Do academic librarians use these filters?
News: The National Library of Medicine expands access to coronavirus literature through PubMed Central
Immune-centric network of cytokines and cells in disease context identified by computational mining of PubMed
PubMed hit by the US govt shutdown. A lesson for the global scientific community in the need for resilient, dispersed infrastructure, using open data and open source tools. "Free" is not the same as "open". Depending on one organisation's generosity does not bring security.
Brains of verbal memory specialists show anatomical differences in language, memory and visual systems. - PubMed - NCBI