Major League Soccer (MLS) is a men's professional soccer league sanctioned by U.S. Soccer that represents the sport's highest level in both the United States and Canada. MLS constitutes one of the major professional sports leagues of the United States and Canada. The league comprises 23 teamsâ20 in the U.S. and 3 in Canada.
Most blood collection in the US, UK and Hong Kong is done with an evacuated tube system, (two common systems are Vacutainer (Becton, Dickinson and company) and Vacuette (Greiner Bio-One GmbH). The equipment consists of a plastic hub, a hypodermic needle and a vacuum tube.
Collection Tubes for Blood Specimens. | Gold/Red-Gray Marble | Mint Green | Green | Lavender | Light Blue |. | Gray | Red | Royal Blue | Yellow |. The following tables should be helpful in understanding which kind of vacuum (VACUTAINERÂ®) type tube to use in the collection of specimens. For manufacturers guidelines see BD Vacutainer Order of Draw for Multiple Tube Collections. Refer to the Test Table for specific instructions and sample requirements.