1262491 mpd methyl parathion hydrolase gene 5 1262492 mpd methyl parathion degrading 3 1262307 mpd mean power density 2 1262490 mpd Minimum predicted distance 2 1262489 mpd mean paired difference 1 1262494 mpd medial parvicellular 1 1262493 mpd medial parvocellular division 1 1262496 mpd mg/kg concentrations, further the gene encoding the organophosphorous hydrolase 1 1262495 mpd minimal psychiatric data 1