Comparison of WHO laboratory-based and non-laboratory-based CVD risk charts among hypertensive adults attending primary healthcare centers in West Africa sub-region - Kojo Awotwi Hutton-Mensah; Olayinka Rasheed Ibrahim; Adaku Nwankwo; George Bediako Nketiah; Funmi Temidayo Adeniyi; Abukari Yakubu Natogmah; James Ayodele Ogunmodede; Dike Ojji; Olumide Adesola; Biodun Sulyman Alabi; Olugbenga Ayodeji Mokuolu; Daniel Sarpong (PLoS ONE)