Journal Article 659 Physiology 147 Research Support, Non-U.S. Gov't 140 physiology 110 Biology 97 Review 85 Diseases 53 mehr ... 059QF0KO0R 51 Water 51 Developing Countries 46 Soil 45 climate change 40 Research Support, U.S. Gov't, Non-P.H.S. 38 Antioxidants 37 Family Planning 35 Research Methodology 34 Health 33 Plant Proteins 32 Demographic Factors 30 Population 30 Contraception 27 Treatment 26 photosynthesis 24 Asia 23 Population Characteristics 23 7440-44-0 22 Carbon 22 Nitrogen 22 N762921K75 21 Nutrition 21 weniger ...