Should the storage of samples, more than this, because the data that are too low, making an analysis of the lack of resolution. Lack of insight in a group study and may make the data does not correspond to the truth.
Keep the sample more. Because the information was too little analysis of the resolution. Lack of insight into the needs of the group and may have information that does not match reality.
Should keep track of the time. Because the data was too little to analysis lack of detail. Lack of insight into the desired group study and may make the data does not match the truth.