[Prof. Harndt's research methods].
D003813:Dentistry; D005557:Formaldehyde / Q000009:adverse effects; D007854:Lead / Q000009:adverse effects; D012387:Root Canal Filling Materials
D012387:Root Canal Filling Materials; D005557:Formaldehyde; D007854:Lead
Die Forschungsmethoden des Prof. Harndt.