REPLACED MEDICAL SUBJECT HEADINGS
/ WITH REPLACED-BY-HEADINGS - 2003
/
# = deleted record, (P) = Print Entry Term, (N) = Non-Print Entry Term
/ Replaced Heading New
/ Status Replaced-by Heading
/ Actinobacteria Group # () Actinobacteria
...
http://www.nlm.nih.gov/mesh/replaced2003.html