APA
Lichtenberg F. R., National Bureau of Economic Research, . (2013). The Impact of biomedical knowledge accumulation on mortality. Cambridge: NBER.
Chicago
Lichtenberg Frank R, National Bureau of Economic Research, . 2013. The Impact of biomedical knowledge accumulation on mortality. Cambridge: NBER.
Harvard
Lichtenberg F. R., National Bureau of Economic Research, . (2013). The Impact of biomedical knowledge accumulation on mortality. Cambridge: NBER.
MLA
Lichtenberg Frank R, National Bureau of Economic Research, . The Impact of biomedical knowledge accumulation on mortality. Cambridge: NBER. 2013.