The histogram of MeSH term frequency of Pollen

MeSH term

Count
Pollen	10
*Pollen	10
Pollen/immunology	32
Pollen/metabolism	1
Pollen/*immunology	17
Pollen/chemistry	2
Pollen/*chemistry	1
Pollen/*metabolism	1
Pollen/*adverse effects	3
Pollen/adverse effects	2
Pollen/*enzymology/immunology	1
Pollen/immunology/*metabolism	1
Pollen/genetics/*immunology	1
Pollen/chemistry/*genetics	1
Pollen/*analysis/immunology	1
Pollen/adverse effects/immunology	1