Different methods of single practice research.
Hansen
J G
JG
Schmidt
H
H
D002986:Clinical Trials as Topic; D003430:Cross-Sectional Studies; D005194:Family Practice / Q000458:organization & administration*; D006801:Humans; D015995:Prevalence; D011331:Private Practice / Q000458:organization & administration*; D015203:Reproducibility of Results; D012107:Research Design