title: Letter: Macronumbers of microorganisms.
mesh_terms: D001431:Bacteriological Techniques; D046508:Culture Techniques; D011550:Pseudomonas aeruginosa / Q000302:isolation & purification*; D013048:Specimen Handling; D013210:Staphylococcus / Q000302:isolation & purification*; D013297:Streptococcus pyogenes / Q000302:isolation & purification*