title: Open questions: development of tumor cell heterogeneity and its implications for cancer treatment.
authors.affiliation: Cell and Developmental Biology, University of Zurich, Institute of Anatomy, Winterthurerstrasse 190, CH-8057 Zurich, Switzerland. lukas.sommer@anatom.uzh.ch.
authors.forename: Lukas
authors.initials: L
authors.lastname: Sommer
mesh_terms: D000818:Animals; D004777:Environment; D018740:Genetic Heterogeneity; D006801:Humans; D009369:Neoplasms / Q000473:pathology* / Q000628:therapy*