RT Journal Article SR Electronic T1 Improving the sensitivity of the Dutch guidelines for case finding in osteoporosis JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 370 OP 371 DO 10.3399/bjgp09X420671 VO 59 IS 562 A1 Noortje A Verdijk A1 Geraline Leusink A1 Ronald Erdtsieck A1 Victor JM Pop YR 2009 UL http://bjgp.org/content/59/562/370.2.abstract AB