Google Books Ngram Viewer

Graph these comma-separated phrases:
case-insensitive
between and from the corpus with smoothing of .  
Search in Google Books:

1850 - 1885 1886 - 1902 1903 - 1910 1911 - 2004 2005 - 2008 migräne German

Run your own experiment! Raw data is available for download here.
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