TY - BOOK AU - Thieme Derick P TI - Lumbar breakdown caused by erect posture in man: with emphasis on spondylolisthesis and herniated intervertebral discs U1 - 599.94 PY - 1950/// CY - Ann Arbor PB - Michigan Univ Press KW - Anthropometry KW - Posture KW - Spine-diseases ER -