The histogram of MeSH term frequency of Weightlessness

MeSH term

Count
Weightlessness	5
*Weightlessness	19
*Weightlessness Simulation	9
*Weightlessness Countermeasures	1
Weightlessness Simulation	9
Weightlessness Countermeasures	2
Weightlessness/adverse effects	1
Weightlessness/*adverse effects	3
Weightlessness Simulation/*adverse effects	2