Fig. 2.
Survival curves of transgenic mice (Tg, right) and nontransgenic controls (C, left) that are kept under a conventional condition (solid lines) or in a clean isolator (dotted lines). The life span is presented by the Kaplan-Meier method.
Survival curves of transgenic mice (Tg, right) and nontransgenic controls (C, left) that are kept under a conventional condition (solid lines) or in a clean isolator (dotted lines). The life span is presented by the Kaplan-Meier method.
