TY - GEN AU - Gross,D AU - Stahel,E TI - [Backaches in adolescence] SN - 0040-5930 PY - 1970///0202 KW - Adolescent KW - Adult KW - Back Pain KW - etiology KW - Female KW - Humans KW - Male KW - Scheuermann Disease KW - complications KW - Spondylitis, Ankylosing N1 - Publication Type: Journal Article ER -