The New York Stock Exchange ("NYSE") prohibited dual-class structures for approximately sixty years, until the mid-1980s, and they are still prohibited or rare in some jurisdictions, such as the United Kingdom and Hong Kong.
Median survival was approximately five years.
Our findings indicate that the prevalence of asthma in childhood increases until approximately three years of age and then decreases gradually until age 6.
He wanted to "assert his reality" on the world, as he wrote in his letters, and it took approximately twenty years after writing that statement until he would.
We also observed that the increased risk of ICH associated with ADPKD did not manifest until approximately three years on dialysis.
However, P. pectinata does not appear to remain in the estuary until it matures, instead leaving after approximately two years, before the size at which they mature.
The Queens plan would offer exhibition space for a period of approximately two years, from 2002-2004.
It takes approximately ten years of residency.
Approximately four years, from the time I first thought, Hmmm.
From the evolution of nitrogenase, approximately two billion years ago until the widespread use of the Haber Bosch process in the 1950s, all life derived N from biological nitrogen fixation, with geochemical processes representing a minor contributor to the supply of fixed nitrogen.
The earliest well-known species is A. africanus, the species named by Dart (1925), which appears at approximately three million years ago and persists until approximately 2.1 million years ago (e.g., Vrba 1995; Walker et al. 2006).
