As evidence of their safety and efficacy accumulates, the drugs are gradually made available to more patients.
The U.S. Navy had made such global satellite radar measurements in the late 1980s, but the data only gradually became available to researchers.
In 1992 a major international publisher announced that its journals would gradually be available for computer storage in digital form; and in that same year the State University of New York at Buffalo began building a completely electronic, paperless library.
Historians gained limited access to archives, and sets of census and other population data gradually became available, allowing researchers to build a more detailed, albeit still incomplete, understanding of what happened.
4G connections have gradually become available to consumers around the world since 2008, but many countries, including China, are still working toward launching their LTE networks.
Knowledge of separate algal subsystems has gradually become available, but the challenge remains to integrate data obtained from these subsystems and from different levels of biological organization.
The Roku Channel launches today on Roku players and Roku TVs in the U.S. The channel will gradually become available on current generation Roku devices through a phased roll out over the coming weeks, Roku says.
During the last decade inhibitors of HBV polymerase gradually became available for treatment of chronic HBV infection.
Data on molecular basis of grapevine defence against fungal pathogens are gradually becoming available.
