cancer is one of the leading cause vs cancer is one of the leading causes

Some examples from the web:

• whereas, according to the World Health Organisation, cancer is one of the leading causes of death worldwide and accounted for around 13% of all deaths in 2004,
• C. whereas, according to the World Health Organisation, cancer is one of the leading causes of death worldwide and accounted for around 13% of all deaths in 2004,
• Suicide is one of the leading causes of death among young people.
• Dissatisfaction in the bedroom is one of the leading causes of divorce.
• For instance, a husband discovering his wife had an affair is one of the leading causes of murder.
• And while burning coal is one of the leading causes of global warming, the remarkable clean coal technology you see here changes everything.
• Food poisoning's one of the leading causes of death at sea.
• HIV/AIDS is still one of the leading causes of death globally, accounting for 2 million deaths in 2008, and is projected to remain a significant global cause of premature mortality in the coming decades.
• Markridge is one of the leading pioneers in vaccination research.
• Finally, the innovative pharmaceutical sector is one of the leading generators of employment.
• Maximum capacity with minimum space B. Braun Melsungen AG is one of the leading companies in the international pharmaceutical and medication sector.
• B. Braun Melsungen AG is one of the leading companies in the international pharmaceutical and medication sector.
• Howard Graham is one of the leading lights in the country in fertility.
• As you know, the Union is one of the leading bodies supporting that Court.
• Ireland is one of the leading countries in software development in the EU.
• Evidence from certain countries shows that mental disorders are one of the leading causes of absence from work, early retirement and disability pensions.
• Fellow students, October is Awareness Month for one of the leading causes of death among women.
• Neurodegenerative diseases are one of the leading causes of disability among elderly people, and the problem is becoming worse as a result of the increase in the average lifespan.
• The main focus is on canned peaches as Greece is one of the leading world exporters, while the USA remains the most important market.
• Despite the widening political differences between China and Taiwan, Taiwan is one of the leading investors on the mainland.

Some examples from the web:

• whereas, according to the World Health Organisation, cancer is one of the leading causes of death worldwide and accounted for around 13% of all deaths in 2004,
• C. whereas, according to the World Health Organisation, cancer is one of the leading causes of death worldwide and accounted for around 13% of all deaths in 2004,
• Suicide is one of the leading causes of death among young people.
• Dissatisfaction in the bedroom is one of the leading causes of divorce.
• For instance, a husband discovering his wife had an affair is one of the leading causes of murder.
• And while burning coal is one of the leading causes of global warming, the remarkable clean coal technology you see here changes everything.
• Food poisoning's one of the leading causes of death at sea.
• HIV/AIDS is still one of the leading causes of death globally, accounting for 2 million deaths in 2008, and is projected to remain a significant global cause of premature mortality in the coming decades.
• Markridge is one of the leading pioneers in vaccination research.
• Finally, the innovative pharmaceutical sector is one of the leading generators of employment.
• Maximum capacity with minimum space B. Braun Melsungen AG is one of the leading companies in the international pharmaceutical and medication sector.
• B. Braun Melsungen AG is one of the leading companies in the international pharmaceutical and medication sector.
• Howard Graham is one of the leading lights in the country in fertility.
• As you know, the Union is one of the leading bodies supporting that Court.
• Ireland is one of the leading countries in software development in the EU.
• Evidence from certain countries shows that mental disorders are one of the leading causes of absence from work, early retirement and disability pensions.
• Fellow students, October is Awareness Month for one of the leading causes of death among women.
• Neurodegenerative diseases are one of the leading causes of disability among elderly people, and the problem is becoming worse as a result of the increase in the average lifespan.
• The main focus is on canned peaches as Greece is one of the leading world exporters, while the USA remains the most important market.
• Despite the widening political differences between China and Taiwan, Taiwan is one of the leading investors on the mainland.