%0 Journal Article %T The diversity of interest in later-life entrepreneurship: Results from a nationally representative survey of Americans aged 50 to 70 %A Cal J. Halvorsen %A Yu-Chih Chen %J Archive of "PLoS ONE". %D 2019 %R 10.1371/journal.pone.0217971 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6550427/