"Expérimentation animale Romans, nouvelles, etc. pour la jeunesse." . . . "History" . . "History"@en . . "Juvenile works" . "Juvenile works"@en . . . . . "In 1921, twelve-year-old Ruth spends her summer at the University of Toronto and is befriended by Dr. Banting and his assistant, Mr. Best, who are searching for a cure for diabetes. When animal rights protestors try to enlist her support, Ruth is torn between loyalty to her new friends and her sympathy for the animals used in their research."@en . "In 1921, twelve-year-old Ruth spends her summer at the University of Toronto and is befriended by Dr. Banting and his assistant, Mr. Best, who are searching for a cure for diabetes. When animal rights protestors try to enlist her support, Ruth is torn between loyalty to her new friends and her sympathy for the animals used in their research." . . . . . . . . . . . . "Elixir" . . "Elixir"@en . "Fiction" . . "Fiction"@en . . "Electronic books"@en . . "Twelve-year-old Ruth becomes friendly with Dr. Baning and Mr. Best in the lab where her mother works. When she discovers their research involves testing on animals she finds herself torn between her loyalty to her friends and her sympathy for the animals." . . . "Loyauté Romans, nouvelles, etc. pour la jeunesse." . . "Insuline Histoire Romans." . . "Insuline Histoire Romans, nouvelles, etc. pour la jeunesse." . . . .