RT Journal Article SR Electronic T1 Measurement of bone mineral content in vivo using photon absorptiometry JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP 1201 OP 1205 VO 111 IS 11 A1 R. M. Boyd A1 E. C. Cameron A1 H. W. McIntosh A1 V. R. Walker YR 1974 UL http://www.cmaj.ca/content/111/11/1201.abstract