[Bacteriological studies on oral flora and oral hygiene].
D001419:Bacteria; D001432:Bacteriology; D005145:Face; D041981:Gastrointestinal Tract; D006801:Humans; D009055:Mouth / Q000382:microbiology*; D009910:Oral Hygiene
MOUTH/bacteriology
Bakteriologische Studien über die Mundflora und Mundhygiene.