title: Extracellular esterases of streptococci and the distribution of specific antibodies in human sera of various age groups.
mesh_terms: D000328:Adult; D000367:Age Factors; D000906:Antibodies / Q000032:analysis; D002648:Child; D004950:Esterases / Q000145:classification; D006801:Humans; D005779:Immunodiffusion; D007122:Immunoelectrophoresis; D007231:Infant, Newborn; D009280:Naphthaleneacetic Acids; D013291:Streptococcus / Q000201:enzymology*
chemical_list: D000906:Antibodies; D009280:Naphthaleneacetic Acids; D004950:Esterases