The next largest contributor over this period was the United Kingdom, whose researchers produced 9.1% of some 10,000 papers surveyed. France ranked third at 6.1%, West Germany fourth at 4.6%, USSR and Eastern Europe fifth at 3.9%, Japan sixth at 3.9%, Canada seventh at 3.1%, and all others less than 3% each (see chart).
There was some variation year to year in percentage share. For example, the U.S. contributed 46% in 1983 compared with 38% in 1979. Japan increased its share steadily over the decade, from 2% in 1977 to 5% in 1986. Otherwise, the year-by-year percentages are generally consistent for each nation.
The total number of articles on gene mapping, however, more than quadrupled over the decade—from approxunately 400 in 1977 to nearly 1,900 in 1988.
The bibliometric analysis was performed for OTA by Computer Horizons inc., an independent New Jersey-based research company. CHI, using data from the National ...
