TY - GEN AU - Scopp,I W TI - Research methodology in oral diseases SN - 0028-7296 PY - 1980///0423 KW - Animals KW - Cooperative Behavior KW - Double-Blind Method KW - Equipment and Supplies KW - Humans KW - Interprofessional Relations KW - Mouth Diseases KW - Placebos KW - Publishing KW - Research KW - Research Design N1 - Publication Type: Journal Article ER -