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1: Soil 2: Community 3: Article 4: Maximum mid-expiratory flow rate 5: Lactation 6: Caterpillar 7: Japan 8: Human 9: Development 10: Range 11: Potential 12: Periplaneta americana 13: Holistic environmental restoration 14: Quality 15: Environment 16: Treatment 17: Carbon 18: Ecosystem 19: Feeder 20: Substance (As of 05:07)
PEF --->Peak expiratory flow