Effect of Folic Acid Supplementation on Levels of Circulating Monocyte Chemoattractant Protein-1 and the Presence of Intravascular Ultrasound Derived Virtual Histology Thin-Cap Fibroatheromas in Patients with Stable Angina PectorisLøland, Kjetil H.; Bleie, Øyvind; Strand, Elin; Ueland, Per M.; Nordrehaug, Jan E.; Garcia-Garcia, Hector M.; Serruys, Patrick W.; Nygård, Ottar; Schulz, Christian · PLoS ONE · 2013