Key points are not available for this paper at this time.
". . . {0ex{0ex}theenergytensorcanberegardedonlyasaprovisionalmeansofrepresentingmatter. 0ex{0ex}In0ex{0ex}reality, 0ex{0ex}matter0ex{0ex}consists0ex{0ex}of0ex{0ex}electrically0ex{0ex}charged0ex{0ex}particles. . . . "}^3
Wheeler et al. (Fri,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: