The “double bubble” sign
Crossref DOI link: https://doi.org/10.1007/s00261-015-0558-x
Published Online: 2015-12-17
Published Print: 2016-02
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Koberlein, George
DiSantis, David
Text and Data Mining valid from 2015-12-17
