11.   But secession supporters said the study proves their case -- that Los Angeles is too large and inefficient and would operate more smoothly if it were smaller.

12.   But neither Mansfield nor Torres believes their study proves a population explosion of mountain lions in California.

13.   But the study does not prove NutraSweet was responsible and it did not examine whether tumor patients actually ate products containing NutraSweet.

14.   But US Representative Ed Markey said the study proves the need for an Internet privacy bill of rights.

15.   Countless corporate hierarchy studies have proven that the vacuous ascend, while the intelligent languish.

16.   Epidemiological studies generally cannot prove causation, although persuasive evidence can be established through a series of studies such as those linking cigarette smoking and lung cancer.

17.   Even if studies prove the first-trimester ultrasound test is effective, many women may still decide to go right to amniocentesis or CVS.

18.   Experts in environmental risk say the study proved nothing.

19.   Gordon cautioned, however, that the studies do not prove that the mutated gene caused diabetes to occur earlier in adults who would have ordinarily gotten it.

20.   Gray says injection therapy works and long-term studies will soon prove it.