3141423 NAPI net anthropogenic phosphorus input 21 3141417 NAPI Neurobehavioral Assessment of the Preterm Infant 21 3141424 NAPI net anthropogenic P inputs 5 3141419 NAPI Nursing Assessment of Pain Intensity 3 3141425 NAPI natural active pharmaceutical ingredient 2 3141418 NAPI Nitroglycerin Administration after Percutaneous Intervention 2 3141421 NAPI N-acyloxyphthalimide 1 3141422 NAPI N-aminoethylpiperazine hydroiodide 1 3141420 NAPI Navajo Agricultural Products Industry 1