Letter to the Editor Re: Meta-Analysis of Cocoa Consumption and Blood Pressure in Middle-Aged and Elderly Subjects: Methodological Issue by Sadegh Jafarnejad, Mina Salek, Cain C. T. Clark, and Mohsen Taghizadeh
1 Clinical Research Development Centre, Taleghani and Imam Ali Hospital, Kermanshah University of Medical Sciences, Kermanshah, Iran.
2 Research Center for Environmental Determinants of Health, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran. f.rajati@kums.ac.ir.