Matthews, F. E., Chatfield, M., Freeman, C., McCracken, C., Brayne, C., & CFAS, M. (2004). Attrition and bias in the MRC cognitive function and ageing study: An epidemiological investigation. BioMed Central.
Citação norma ChicagoMatthews, Fiona E., Mark Chatfield, Carol Freeman, Cherie McCracken, Carol Brayne, and MRC CFAS. Attrition and Bias in the MRC Cognitive Function and Ageing Study: An Epidemiological Investigation. BioMed Central, 2004.
Citação norma MLAMatthews, Fiona E., et al. Attrition and Bias in the MRC Cognitive Function and Ageing Study: An Epidemiological Investigation. BioMed Central, 2004.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.