Breast-feeding: second thoughts.

Animals Antibodies Breast Feeding Digestive System/immunology,microbiology Escherichia coli Infections/immunology,prevention & control Female Gastrointestinal Diseases/microbiology Humans Immunity Immunoglobulins Infant Infant, Newborn Infection Control Infections/epidemiology Maternal-Fetal Exchange Milk/immunology,microbiology Milk, Human/immunology,microbiology Mortality Pregnancy Saskatchewan Time Factors

Antibodies Immunoglobulins