RT Journal Article SR Electronic T1 LDL cholesterol consists of different subclasses, more precise diagnostics are required JF Heart JO Heart FD BMJ Publishing Group Ltd and British Cardiovascular Society SP 1290 OP 1290 DO 10.1136/heartjnl-2019-315350 VO 105 IS 16 A1 Ellis Muggleton A1 Tuelin Muggleton YR 2019 UL http://heart.bmj.com/content/105/16/1290.1.abstract AB