APA

Langton C. M., Ballard P. A., Langton D. K. & Purdie D. W. (19971009). Maximising the cost effectiveness of BMD referral for DXA using ultrasound as a selective population pre-screen. : Technology and health care : official journal of the European Society for Engineering and Medicine.

Chicago

Langton C M, Ballard P A, Langton D K and Purdie D W. 19971009. Maximising the cost effectiveness of BMD referral for DXA using ultrasound as a selective population pre-screen. : Technology and health care : official journal of the European Society for Engineering and Medicine.

Harvard

Langton C. M., Ballard P. A., Langton D. K. and Purdie D. W. (19971009). Maximising the cost effectiveness of BMD referral for DXA using ultrasound as a selective population pre-screen. : Technology and health care : official journal of the European Society for Engineering and Medicine.

MLA

Langton C M, Ballard P A, Langton D K and Purdie D W. Maximising the cost effectiveness of BMD referral for DXA using ultrasound as a selective population pre-screen. : Technology and health care : official journal of the European Society for Engineering and Medicine. 19971009.