Complex sentence: FSHD was first described in 1884 by French physicians Louis Landouzy and Joseph Dejerine, but formal definition of FSHD's clinical features didn't occur until 1952 when a large Utah family with FSHD was studied.
Split into simpler sentences: FSHD was first described in 1884 by French physicians Louis Landouzy and Joseph Dejerine. Formal definition of FSHD's clinical features didn't occur until 1952 when a large Utah family with FSHD was studied.