title: Effect of Calcium Chloride on the Preparation of Extracts of H. pertussis.
authors.forename: J I
authors.initials: JI
authors.lastname: Burrell
authors.forename: K C
authors.initials: KC
authors.lastname: Robbins
authors.forename: L
authors.initials: L
authors.lastname: Pillemer
mesh_terms: D001886:Bordetella pertussis; D002122:Calcium Chloride; D006190:Haemophilus; D014917:Whooping Cough