. . . . . . . . . "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" . . "2021-08-16T20:33:15.902552"^^ . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCamPJb4SzqpLXn//XJ5dlVfzz6QI+RPmiJTLXF/by2JR7sHMKRsCQDFsYMlq8zGHghOIkjRP9dpLZUtZzUcHt3MXiFKEPo8eGzUe9p+JXKFC8xxkJr94z2vq6IdMf71Iu1GH8SeDAKt/DgYO4zNaw8VuXvxnZRewKZSA+u8zWPVwIDAQAB" . "YlP52laGeON1uYSksL1syz3cdFvSyWcIB5aJ7941PaqXzTZcifhTO8xi2hJYdjr0mENIQPIakg9ccbYRZZQ6gazn/B0b2L1MdotZpx7On3WnTc/kRhyqA408SVwNZHSyZTixVLh0VprwzZnefw4tvtH+FCY1Ap5ANUbk9zhdBNw=" . . "2021-08-16T20:33:15.902552"^^ . . .