'has been initially described' is a correct and usable phrase in written English.
You can use this phrase when you want to indicate that something has already been introduced or described in the past, or that something has been recently introduced. For example, "The concept of artificial intelligence has been initially described in the 1950's."
The phenomenon that patients with Parkinson's disease can overcome their impairment of initiating a movement by drawing upon an external sensory cue has been initially described as 'kinesia paradoxica' (Souques, 1921; Martin, 1967).
This application, which has been initially described in a previous work, has been improved on the basis of feedback received by industrial partners.
The magnetic fields in a white dwarf star may allow for the existence of a new type of chemical bond, perpendicular paramagnetic bonding, in addition to ionic and covalent bonds, resulting in what has been initially described as "magnetized matter" in research published in 2012.
Triosephosphate isomerase deficiency has been initially described in 1965 [1].
CD44s has been initially described in lymphocytes while CD44v6 was described as being expressed more specifically in epithelia and, more precisely, in tumours thereof [3].
Human RNase P has been initially described as a tRNA processing enzyme, consisting of H1 RNA and at least ten distinct protein subunits.
His death had been initially described as an accident.Radiation levels at Japan's crippled Fukushima nuclear plant rose to a new high.
MgPa proteins have been initially described as part of a tip organelle structure responsible for surface adhesion and possibly motility in M. genitalium [60], [61].
Up-regulated or unchanged metabolic rate, respectively, have been initially described in long-lived eat mutants (having a feeding defect) and calorie restricted worms [ 31].
The cases when snoRNA expression was not detected in human look particularly odd considering that all these snoRNAs have been initially described in human (Additional file 1).
Heterogeneous patterns have been initially described in the Taxus™ (Boston Scientific, Natick, MA, USA) stent, but later on in many other stents.
