Lymph node ratio as a prognostic factor in head and neck cancer patients
Crossref DOI link: https://doi.org/10.1186/s13014-015-0490-9
Published Online: 2015-08-25
Published Print: 2015-12
Update policy: https://doi.org/10.1007/springer_crossmark_policy
Chen, Chien-Chih
Lin, Jin-Ching
Chen, Kuan-Wen