. . . . . "Amitriptyline" . . . "Low back pain" . . . . . . "TCAs have been used to treat chronic low back pain for decades and have been repeatedly shown to be more effective than placebo in reducing pain severity" . . . . . . . "adults" . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCR9fz0fKCdWOWC+pxhkQhEM/ppbdIYe5TLSdj+lJzSlv9mYBaPgrzVezSwwbmhlHBPDZa4/vHycU315BdmUGq+pXllp9+rWFfrb+kBJwhZjpG6BeyyXBsRFz4jmQVxl/ZYHilQTh/XalYzKkEAyTiEMPee4Kz61PaWOKH24CsnOQIDAQAB" . "KpseWJHo+7+O3Wq1iX3dY2XMstIYW0NR6u2aVWthDrhMo44gbjecadcAY8NqYU6GmSAii6AZ6nDuSv96rVMpgw6t+vag7XJli9Yb+G/GX9Q7Jb0TJFKagvrlHVL8GtdKzj891NxcixjUGa0o4OU76GWLTTWpIzy2ZQ5uN954Is8=" . . "2022-09-16T11:47:29.676668"^^ . . . "2.3.0" .