RT Journal Article SR Electronic T1 OPSONINS AND OTHER ANTIBODIES JF Science JO Science FD American Association for the Advancement of Science SP 241 OP 248 DO 10.1126/science.29.737.241 VO 29 IS 737 A1 Hektoen, Ludvig YR 1909 UL http://science.sciencemag.org/content/29/737/241.abstract AB