A male may die in a (concentration camp).Logical formLearned from21 sentences. A problem can be with concentration.Logical formLearned from21 sentences. Methane-sometimes may undergo concentrations.Logical formLearned from21 sentences. Concentrations may undergo determination.Logical formLearned from21 sentences. (Calcium ions) may undergo concentration.Logical formLearned from21 sentences. Cells may undergo concentrations.Logical formLearned from21 sentences. Concentrations may be found.Logical formLearned from21 sentences. Gold may undergo concentrations.Logical formLearned from21 sentences. Concentration can be a factor.Logical formLearned from21 sentences. An effect may pertain-to concentration.Logical formLearned from21 sentences. Melatonin may undergo concentrations.Logical formLearned from21 sentences. Concentration can be in sociology.Logical formLearned from21 sentences. Concentration can be high.Logical formLearned from21 sentences. (Fatty acids) may undergo concentration.Logical formLearned from21 sentences. Nutrients may undergo concentrations.Logical formLearned from21 sentences.