The husk and stray are counted as sub-variants of existing mobs as opposed to entirely new mobs, hence why you are unable to simply type /summon Stray or /summon Husk. There was supposed to be spawn eggs for them, but it seems they were removed either intentionally or by accident in the final release.
Axiomatic method, in logic, a procedure by which an entire system (e.g., a science) is generated in accordance with specified rules by logical deduction from certain basic propositions (axioms or postulates), which in turn are constructed from a few terms taken as primitive.
Neurosomatic Therapy is an integrated manual therapy method that identifies, analyzes, and treats the biomechanical and posture issues that cause chronic pain. Through a comprehensive examination and treatment protocol, Neurosomatic Therapy can not only eliminate pain but help prevent its recurrence.