Pregunta:
1 (this involves a participant and you have given them 2 separate intervention) 2 (purely observation or everyone received treatment and you just have to observe each one of them)
Autor: LEIGHTON DWIGHT OBILLOSRespuesta:
1 Interventional 2 observational
0 / 5 (0 calificaciones)
1 answer(s) in total
