NCBI PubMed Centralopen access
How representative are electronic health records? A record linkage study using individual-level census data.
information security management
Checking your browser before accessing pmc.ncbi.nlm.nih.gov ...
Click
here
if you are not automatically redirected after 5 seconds.
Related documents
Record · ID 13791 · SHA-256 1235ce971c16041d
Conceptio Open Knowledge Archive — every document is proof-bundled with source, license, and retrieval metadata.