1264679 Mpn Mycoplasma pneumoniae 25 1264815 MPn methylphosphonate 18 1264680 MPN medial plantar nerve 12 1264681 MPN methylprednisolone 12 1264814 MPn methylphosphonic acid 5 1264819 MPn Moller-Plesset perturbation 3 1264818 MPn Moller-Plesset perturbation theory 2 1264817 MPn metal porphycenes 1 1264816 MPn methyl paraben 1