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Science 21 March 1997:
Vol. 275. no. 5307, pp. 1721 - 1725
DOI: 10.1126/science.275.5307.1721
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Letters

Cautious approach

Last week's discussion continues about whether regular mammograms (right) should be recommended to women in their forties. Two writers advocate the Chilean "Presidential Chairs in Science" program. A "rare bilateral gynandromorph" butterfly is called by its right name. And a growing proportion of elderly persons in a population does not necessarily mean that social services will be "crushed"mdash in Russia or in the United States.

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Volume 275, Number 5307, Issue of 21 March 1997 pp. 1721-1725.
©1997 by The American Association for the Advancement of Science.

Letters in This Issue

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[Letters] Breast-Screening Brawl
James Sowinski
Helen Hansma
Daniel B. Kopans
[Letters] Presidential Chairs in Chile
Pedro Labarca and Ramon Latorre
Alan Neely
[Letter] Butterfly Identification
John A. Hyatt
[Letter] Bullish about the Bear?
Bernard Brown




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