Research has demonstrated a link between caesarean and increased risk of postnatal mental illness.
They had not sufficiently demonstrated a link between Dr. Lee and the compromised W-88 information, Mr. Kornblum said.
And the data are, again, clear: after nearly forty years of use, no study has demonstrated a link between glyphosate and cancer in humans.
A review of Mr. Moussaoui's telephone records has not yet demonstrated a link to the 19 hijackers or their associates, officials said.
In the study, Dr. Thurston and his colleagues demonstrated a link between long-term exposure to air pollution and premature death due to heart disease and lung cancer.
When epidemiological studies fulfill most of these criteria, they can be convincing, as when studies demonstrated a link between cigarettes and lung cancer.
The political scientist Ronald Inglehart, at the University of Michigan, has demonstrated a link between economic development and support for diversity, such as approval of gay rights.
To howls of outrage, a senior cardinal claimed that he had documents indicating that psychiatrists had demonstrated a link between homosexuality and paedophilia.
Other studies have demonstrated a link between exposure to nature a and fewer reports of ill-health among prisoners, increased self-discipline among inner-city girls and reduced mortality among elderly people.
In addition, many studies have demonstrated a link between bacterial virulence factors and colon malignancy.
Past research has demonstrated a link between controlling parenting and child anxiety.
