3051364 MPPM multipulse pulse-position modulation 8 3051362 MPPM microporous poly(propylene) membrane 3 3051371 MPPM maternal postpartum mass 2 3051372 MPPM megalencephaly-polymicrogyria-pigmentary mosaicism syndrome 2 3051360 MPPM microporous polymeric matrix 2 3051367 MPPM macroporous polypropylene mesh 1 3051368 MPPM master project plan methodology 1 3051370 MPPM mate preference priority model 1 3051369 MPPM memory-keeping pyramid pooling module 1 3051361 MPPM Microwave-assisted potassium permanganate modification 1 3051363 MPPM morphological power preservation measure 1 3051365 MPPM multidomain peritonitis prediction model 1 3051366 MPPM Myopia Progression Predictive Model 1