The lambda (twin peak) sign
Crossref DOI link: https://doi.org/10.1007/s00261-017-1356-4
Published Online: 2017-10-17
Published Print: 2018-07
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Wu, Tsun Wai Jeffrey http://orcid.org/0000-0002-1722-4188
Li, Yan-Lin
Wong, Kin-Hoi
License valid from 2017-10-17