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  1. Toy Train Collectors | Train Collectors Association

    TCA is one of the largest and most respected collecting societies in the world. We focus on toy trains – the hobby of collecting, operating, studying and discussing them.

  2. Tricyclic Antidepressants: List, Uses & Side Effects - Drugs.com

    Apr 17, 2023 · Tricyclic antidepressants (often abbreviated to TCAs) are a group of medicines that all have a similar structure and all work in a similar way. They may be used for the treatment of …

  3. Tricyclic Antidepressants: What They Are, Uses & Side Effects

    Jul 24, 2023 · Tricyclic antidepressants are FDA-approved to treat major depressive disorder and other depressive disorders. However, healthcare providers rarely choose TCAs as the first …

  4. Tricyclic Antidepressants (TCAs) Drugs: List, Side Effects

    Tricyclic antidepressants (TCAs) are a class of antidepressant medications that share a similar chemical structure and biological effects. Scientists believe that patients with depression may …

  5. Tricyclic antidepressant - Wikipedia

    Tetracyclic antidepressants (TeCAs), which contain four rings of atoms, are a closely related group of antidepressant compounds.

  6. Tennessee Concrete Association | TCA

    The Tennessee Concrete Association (TCA) was formed in 1986 (originally known as the Tennessee Ready Mixed Concrete Association) with the primary purpose of promoting the …

  7. Tricyclic Antidepressants (TCA) - PsychDB

    Aug 11, 2024 · Tricyclic Antidepressants (TCAs) are named after their chemical structure, which contains three rings of atoms (“tricyclic ring system”). TCAs are most commonly used as …