Bird’s beak sign
Crossref DOI link: https://doi.org/10.1007/s00261-015-0490-0
Published Online: 2015-06-21
Published Print: 2015-10
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Chakraborty, Amit
Ayoob, Andres
DiSantis, David
Text and Data Mining valid from 2015-06-21
