The histogram of MeSH term frequency of Polyurethanes

MeSH term

Count
Polyurethanes	6
*Polyurethanes	2
Polyurethanes/*chemistry	4
Polyurethanes/chemistry	1
Polyurethanes/pharmacology	1
Polyurethanes/toxicity	1
Polyurethanes/*chemistry/pharmacology	1
Polyurethanes/chemistry/*metabolism	1
Polyurethanes/administration & dosage/*toxicity	1