Vaupel, J. <https://pure.iiasa.ac.at/view/iiasa/2478.html> & Yashin, A. <https://pure.iiasa.ac.at/view/iiasa/2535.html>  (1987).  Repeated Resuscitation: How Lifesaving Alters Life Tables.   Demography 24 (1) 123-135. 10.2307/2061512 <https://doi.org/10.2307/2061512>.