title: The nutrition of protozoa; an improved procedure for separating human blood serum into the two fractions essential for the sustained growth of Trichomonas vaginalis.
mesh_terms: D000818:Animals; D056890:Eukaryota; D006801:Humans; D007448:Invertebrates; D044967:Serum; D014244:Trichomonas; D014246:Trichomonas vaginalis
keywords: PROTOZOA; SERUM; TRICHOMONAS