" If the goal is clarity, the actual data (the dollars, the hospital days, and the mortality rates) for each group is tough to beat.
Prior to the discovery of radiometric dating in the early 20th century, which provided a means of absolute dating, archaeologists and geologists used relative dating to determine ages of materials.
Though relative dating can only determine the sequential order in which a series of events occurred, not when they occurred, it remains a useful technique.
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This document is a Working-Group Draft containing proposals for an eventual XSL-FO 2.0 Recommendation.
Publication as a Working Draft does not imply endorsement by the W3C Membership.