[A statistical analysis and perspective of headache-related papers covered in 2011 PubMed].


OBJECTIVE To investigate the distribution and hot spots of literatures on headache by bibliometric analysis in order to provide reference for further study. METHODS Literatures that contained headache or migraine in text words published in 2011 in PubMed databases (www.ncbi.nlm.nih.gov/Pubmed) were searched. Journals, countries and subjects were… (More)