They also noted the firmness of the skin on the women's foreheads and cheeks, and used X-rays to measure the density of their bones.
研究者还特别留意了女性们前额以及脸颊皮肤的紧实度，并且运用X光测量了骨质的密度。
2
The study demonstrates only an association between bone density and skin wrinkling, stressed Pal, the study's principal investigator. However, she called their findings noteworthy.
Pal强调说虽然她们的研究只是说明了骨骼密度与皮肤皱纹间的联系，但她认为她们的发现很值得关注。
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ScienceDaily (June 6, 2011) — A news study finds that the worse a woman's skin wrinkles are during the first few years of menopause, the lower her bone density is.