Presents recent results addressing the mechanisms and signals that regulate cell proliferation and differentiation. Topics covered include platelet-derived growth factor (PDGF), growth-factor-stimulated cascades leading to mitosis, the role of bombesin and PDGF in mitogenesis, fibroblast growth factor and PDGF as candidate molecules for accelerating wound repair, and the possible association of chronic overproduction of one of the hemopoietic growth factors with tissue macrophage infiltration and damage.

Describes the history, geography, population, wildlife, climate, economy, religion, and culture of South Africa.

Product Description: Describes the history, geography, plants and animals, economy, language, people, and culture of Ghana, the African country that freed itself of white colonial rule and became an independent nation in 1957

Describes the geography, history, culture, industry, and people of the country nicknamed 'The Pearl of Africa.'

Product Description: Celebrates the diversity of life through the exploration of cultures around the world.

Product Description: ''Provides comprehensive information on the geography, history, wildlife, governmental structure, economy, cultural diversity, peoples, religion, and landmarks of Arkansas''--Provided by publisher.Title: ArkansasAuthor: Altman, Linda Jacobs/ Blauer, Ettagale/ Laure, JasonPublisher: Marshall Cavendish CorpPublication Date: 2008/09/01Number of Pages: 144Binding Type: LIBRARYLibrary of Congress: 200703679...read more

Product Description: Discusses the geographic features, history, government, people, and attractions of the state known as the Land of Enchantment.

Describes the geography, wildlife, history, government, economy, religion, and culture of Portugal. (view table of contents)

Describes the geography, history, culture, religion, and people of Nigeria.

Describes the geography, plants and animals, history, economy, language, religions, culture, sports and arts, and people of the island nation of Madagascar. (view table of contents)

An overview of the small landlocked neighbor of South Africa includes its culture, geography, religion, economics, history, and politics

Discusses the history, geography, people, and culture of the southeast African nation that is just recovering from a civil war and a severe drought

Explores the geographical features, history, economy, culture, and people of Tanzania

Describes the geography, climate, history, economy, culture, and people of Botswana

Describes the geography, history, people, and culture of Namibia

An introduction to the geography, history, economy, culture, and people of Bangladesh, the small, densely populated neighbor of India

Describes the geography, history, people, and culture of Angola

Introduces the geography, climate, history, people, industry, and culture of Zambia

An introduction to the geography, history, government, economy, culture, and people of the landlocked southeastern African country, known as Rhodesia before it gained independence in 1980

Interviews with eight South Africans, young people of various ethnic backgrounds show the effect of apartheid on their lives