Terms containing case-control study

Subject	English	Spanish
stat., health.	case control study	estudio caso-control
med., pharma.	case-control study	estudio de casos y testigos
math.	case-control study	estudio retrospectivo
med., pharma.	case-control study	estudio de casos y controles
pharma.	Nested case control study	Estudio de casos y controles anidado
math.	nested case-control studies	estudios jerarquizados del caso-control