Performance of simulated military tasks at high altitude.
D000531:Altitude; D000704:Analysis of Variance; D003061:Codeine / Q000494:pharmacology; D006801:Humans; D008297:Male; D008887:Military Medicine; D009048:Motor Skills; D010629:Phenformin / Q000494:pharmacology; D010919:Placebos; D013997:Time Factors
D010919:Placebos; D010629:Phenformin; D003061:Codeine