| cleanAbstracts | clean data |
| colSets | plot colors |
| editPMIDs | edit PMIDs |
| getAbstracts | get Abstracts |
| getPMIDs | get PMIDs using author names |
| getPMIDsByKeyWords | get PMIDs using Journal names and Keywords |
| plotWordCloud | PubMed wordcloud using function 'wordcloud' of package wordcloud |