SUBSTANCE: invention refers to medicine and may be used to provide a subcutaneous injection of a substance into a user. An automatic injector comprises a body having an open first end and a second end, and a syringe movable in the body. The syringe comprises a sleeve portion for the substance, a hollow needle and a plug for sealing the sleeve portion and supplying pressure selectively onto the substance to force the substance to flow into the hollow needle. A piston for advancing the syringe comprises a rod connected at the first end to the plug, a compressible expanded centre and a flange between the second end of the rod and the compressible expanded centre. A bias mechanism for displacing the piston to the first open end of the body surrounds the second end between the flange and second end of the body.
In another embodiment, the AV device is a home video cassette system. No 9 (supplement), S284; Amer J. Physiol - Heart and Circulatory Physiology (1995. Download dragon ball af episode 1 mp4 full.