The histogram of MeSH term frequency of Birds

MeSH term

Count
Birds	29
Birds/genetics	3
Birds/virology	2
Birds/*physiology	2
Birds/*metabolism	2
Birds/*genetics	2
Birds/*embryology	1
Birds/*microbiology	1
Birds/immunology	2
Birds/*genetics/metabolism	1
Birds/*genetics/physiology	1
Birds/genetics/*immunology	1
Birds/genetics/immunology	1
Birds/embryology/metabolism	1
Birds/classification/*genetics	1
Birds/anatomy & histology/*physiology	1