The reasons for the lack of substantial sarcomere variability in vertebrates is not fully known.

Studies have shown substantial variability in interpretation and reading accuracy among radiologists.

States quickly implemented the guidelines, but with substantial variability in strategy (68).

The bioavailability and elimination half-life of methadone is subject to substantial inter-individual variability.

There is substantial variability in the degree of functional impairment among the various centronuclear myopathies.

Most scientists agree that substantial variability exists in the rates of ageing across different species, and that this to a large extent is genetically based.

Subsequent careful studies have found substantial variability among synesthetes in their ability to do this.

Clinical isolates show substantial variability in their ability to grow as biofilms.

The summary starts by noting that a "significant number of workers experience substantial variability in their total wage earnings," which is certainly true.

Great Lakes' water levels have shown substantial variability during the 20th century with no evidence of a long-term trend.