1. Bacteriophage neutralization as an assay of properdin levels in fresh serum;Barlow;Fed. Proc.,1957
2. Studies of the inactivation of phage by the properdin system. I. Evidence for complement, properdin and magnesium requirements;Barlow;J. Immunol.,1958b
3. Studies of the inactivation of phage by the properdin system. II. Quantitative assay of phage- neutralizing activity;Barlow;J. Immunol.,1958c