First, read the English article below.

An intramuscular injection (IM) delivers medication directly into a muscle. Choose an injection site that has easy access to muscle tissue.  There are four primary sites recommended for administering IM injections. Those include the thigh, the hip, the buttocks, and the upper arm. Alternate between injection sites to prevent bruising, soreness, scarring, and skin changes. The vastus lateralis is the name of the muscle that you will be targeting for your medication delivery site.  Visually divide the thigh into three sections. The middle section is the target for the IM injection. This is a good site if you are giving yourself an IM injection since you can easily see and reach the target area. This muscle is located in the hip. Use landmarks on the body to find the location where you want to inject the medication.  Find the proper location by having the person lie on his or her side. Place the heel of your hand on the upper and outer part of the thigh where it joins the buttocks. Point your fingers toward the person’s head and point your thumb towards the groin. You should feel a bone along the tips of your ring finger and little finger. Form a V shape by moving your pointer finger away from the other fingers. The injection is given in the middle part of the V shape. The dorsogluteal muscle is the area where you want to inject the medication. With practice the target area becomes easier to locate, but begin by using physical landmarks and divide the area into quadrants to be sure you have the correct area.  Draw an imaginary line, or actual line using an alcohol wipe if available, from the top of the crack to the side of the body. Locate the midpoint of that line, and move up three inches. Draw another line that crossed the first one, forming a cross. Locate a curved bone in the upper outer square or quadrant. The injection should be given in the upper outer square below the curved bone. The deltoid muscle is located in the upper arm and is a good site for IM injections if there is adequate muscle tissue. Use... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Xác định vị trí tiêm. Tiêm vào đùi. Sử dụng cơ hông ngoài. Tiêm vào mông. Tiêm vào bắp tay. Vệ sinh vùng da xung quanh và tại vị trí cần tiêm bằng bông gòn tẩm cồn. Đâm kim. Cẩn thận tiêm thuốc vào bệnh nhân.