Electric toothbrush (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Electric toothbrush" in English language version.

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bbc.co.uk

books.google.com

broxo.com

dental-tribune.com

doi.org

doi.org

dx.doi.org

ge.com

loc.gov

nature.com

nih.gov

pubmed.ncbi.nlm.nih.gov

ncbi.nlm.nih.gov

oralb.ca

oralb.com

patents.google.com

  • "Electric toothbrush". Google Patents. 13 December 1937. Retrieved 25 September 2020.

philips.com

usa.philips.com

researchgate.net

semanticscholar.org

api.semanticscholar.org

web.archive.org

wiley.com

doi.wiley.com

wisegeek.com

worldcat.org

search.worldcat.org