1.   Analysts pointed out that there is little historical evidence to support this theory.

2.   His theory is supported by hard facts.

3.   Modern research strongly supports this theory.

4.   The author quotes Stephen Jay Gould, the noted Harvard scientist, to support his theories.

5.   The previous pediatric studies of Sondheimer and Staiano etal did not support this theory.

6.   The theory is supported by empirical data.

7.   There is no hard evidence to support this theory.

8.   There is no scientific evidence to support this theory.

9.   There was no hard evidence to support the theory.

10.   She cited a number of recent examples to support her theory.