@article{https://resolver.caltech.edu/CaltechAUTHORS:MAUpnas84,
    title = "Human dihydrofolate reductase gene is located in chromosome 5 and is unlinked to the related pseudogenes",
    journal = "Proceedings of the National Academy of Sciences of the United States of America",
    url = "https://resolver.caltech.edu/CaltechAUTHORS:MAUpnas84",
    id = "record",
    issn = "0027-8424",
    doi = "10.1073/pnas.81.5.1484",
    volume = "81",
    pmcid = "PMC344861"
}