title: The role of serum factors in the enhancement of phagocytosis.
mesh_terms: D003165:Complement System Proteins / Q000032:analysis*; D010455:Peptides / Q000494:pharmacology; D010587:Phagocytosis; D013296:Streptococcus pneumoniae
chemical_list: D010455:Peptides; D003165:Complement System Proteins