TY - RPRT TI - Positioning errors in bone mineral measurement. AU - M I Al Jarallah AU - J A Archer-Hall AU - P E Francois PY - 1978 DO - 10.1259/0007-1285-51-610-821 UR - https://pubmed.ncbi.nlm.nih.gov/709024/ ID - 709024 ER -