title: A Yin-Yang balancing act of the lin28/let-7 link in tumorigenesis.
authors.affiliation: Liver Carcinogenesis Section, Laboratory of Human Carcinogenesis, Center for Cancer Research, National Cancer Institute, Bethesda, MD 20892-4258, USA.
authors.forename: Junfang
authors.initials: J
authors.lastname: Ji
authors.forename: Xin Wei
authors.initials: XW
authors.lastname: Wang