A (study sample) may pertain-to persons.Logical formLearned from14 sentences. A sample can be reduced.Logical formLearned from14 sentences. Samples can be constituted-of-or-filled-with literature.Logical formLearned from14 sentences. A list may pertain-to samples.Logical formLearned from14 sentences. Samples may be extracted.Logical formLearned from14 sentences. A sample can be inadequate.Logical formLearned from14 sentences. A sample can be polycrystalline.Logical formLearned from14 sentences. A sample can be constituted-of-or-filled-with enterprises.Logical formLearned from14 sentences. Some samples may be analyzed.Logical formLearned from14 sentences. An (urine sample) may be tested.Logical formLearned from14 sentences. Samples can be constituted-of-or-filled-with chips.Logical formLearned from14 sentences. Samples can be mucous.Logical formLearned from14 sentences. Samples may contain a (chemical melamine).Logical formLearned from14 sentences. Some samples can be constituted-of-or-filled-with (buffalo milk).Logical formLearned from14 sentences. A (backup sample) may test negative.Logical formLearned from14 sentences.