• By Lisa Baertlein (Reuters)
• By Delle Herrera and Joseph Krebs, PhD
• By Lisa Baertlein (Reuters)
• By Kate Kelland (Reuters)
• By Lisa Rapaport (Reuters Health)
• By Kathy Holliman
• By P.J. Huffstutter (Reuters Health Eline)
• By Marian Zboraj
• By Bruce Cords
• By Larry Hollis, Tom Chiller, Linda Grassie, and Randall Huffman