Avoid taking certain medicines before collecting it. This includes anything that might soften your stools, such as Pepto Bismol, Maalox, mineral oil, antacids and Kaopectate. Also, if you have had a Barium Swallow, a metallic compound used to see abnormalities in the esophagus and stomach during an x-ray, you should postpone taking the stool sample. He or she will provide you with the necessary equipment for collecting your stool sample, including a container for storing the sample. Ask about the procedure and if you can receive a “hat.” Follow your doctor's instructions and read any directions that come with your equipment carefully.  Keep in mind that toilet water, urine, paper, and soap can all ruin the stool sample, so make sure that you have a way to protect your stool from becoming contaminated by these things. Set up a way to catch your stool sample ahead of time.  Also, be sure to talk with your doctor about any medical conditions or medicines that you are taking before taking the stool sample. This information will provide them with a better understanding of any test results. The hat is a plastic device that looks like its namesake and is used to catch the feces so that it does not come into contact with toilet water. Ask your doctor if one is available, because it will make the process easier. The hat will fit neatly over a portion of the toilet seat. To put the hat in place, lift up the toilet seat, place the hat over the bowl, and then close the toilet seat again. Position yourself on top of the portion of the bowl covered by the hat. If your doctor does not provide you with a hat, then you can also cover the toilet bowl with plastic wrap. To use plastic wrap, lift up the toilet seat and then place the plastic wrap across the toilet bowl. Close the toilet seat on the plastic wrap to help secure it.  You can also tape the plastic wrap to the side of the bowl for additional security. Before you defecate, push down on the plastic to create a small dip in the plastic where the sample will collect. As...

How would you rephrase that briefly using Chinese?
避免药物影响样本。 咨询医师。 在厕所坐便器上放好采集粪便的“帽子”装置。 在坐便器上铺一层塑料膜。 在坐便器上铺一层报纸。 将粪便排到收集器中。