RT Journal Article SR Electronic T1 A daily physical activity programme increased the rate of weight gain and bone mass in preterm very low birth weight infants JF Evidence Based Nursing JO Evid Based Nurs FD BMJ Publishing Group Ltd and RCN Publishing Company Ltd SP 74 OP 74 DO 10.1136/ebn.4.3.74 VO 4 IS 3 YR 2001 UL http://ebn.bmj.com/content/4/3/74.abstract AB