text: This study examined whether 24 months of weight training exercises enhanced the effectiveness of risedronate , calcium , and vitamin D in maintaining or improving bone mineral density ( BMD ) in 223 postmenopausal breast cancer survivors .
entities.text: weight training exercises
entities.type: intervention
entities.text: effectiveness
entities.type: outcome
entities.text: bone mineral density ( BMD )
entities.type: outcome
entities.text: 223 postmenopausal breast cancer survivors
entities.type: participant