| Date: July 6, 1998 |
All these data were extracted from the Journals Performance Indicators file of the Institute for Scientific ...
Date: July 6, 1998Cumulative Impact Factors In the February 2, 1998 issue of The Scientist (12[3]:11-12), we published the list of the 100 highest-impact journals for the period 1981-95. This study emphasized long-term cumulative impact rather than short-term or current impact. The main focus of these data were the articles published in 1981-82. We chose these two years so that 15 years of cumulative citations could be compiled. To many of our readers, these years must seem remote. But for some
| Date: July 6, 1998 |
All these data were extracted from the Journals Performance Indicators file of the Institute for Scientific ...


The liquid world of fetal development provides a rich source of nutrition and protection tailored to meet the needs of the growing fetus.
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