title: Ancient cultures: maize is not a clue to Puerto Rican origins.
authors: Leiden University, the Netherlands.
authors: Jaime R
authors: JR
authors: Pagán-Jiménez
authors: University of Puerto Rico, Utuado, Puerto Rico.
authors: Reniel
authors: R
authors: Rodríguez-Ramos
authors: University College London, UK.
authors: José R
authors: JR
authors: Oliver
mesh_terms: D001106:Archaeology; D001838:Bolivia / Q000208:ethnology; D018556:Crops, Agricultural / Q000235:genetics / Q000266:history*; D003469:Culture; D018744:DNA, Plant / Q000032:analysis; D005243:Feces / Q000737:chemistry; D049690:History, Ancient; D006801:Humans; D058974:Phylogeography; D011647:Puerto Rico; D015203:Reproducibility of Results; D003313:Zea mays / Q000235:genetics
chemical_list: D018744:DNA, Plant