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Natural logarithm of mortality rates fitted using the T4253H smoothing algorithm. Lines represent estimated adult mortality trajectories based on Gompertz parameters for wild-type (straight lines) and experimental (dashed lines) conditions. (A) Rats fed ad libitum (solid diamond) and food restricted (open square). (B) NZB/W mice fed corn oil (solid diamond) or fish oil (open square) and NZB/W control (shaded circle) from another experiment.
