来源:Frontiers in Public Health , 2016
作者:Edward Broughton
关键词:essential obstetric and newborn care;quality of care;...
使用许可:CC BY
来源:Frontiers in Public Health , 2015
作者:Richar Ivan RodrÃguez-Hidalgo
关键词:Bovine brucellosis;Brucella abortus;...
使用许可:CC BY
来源:Frontiers in Digital Humanities , 2016
作者:Valarezo, Carlos, Velescu, Andre, Wilcke, Wolfgang
关键词:nutrient manipulation experiment;nitrogen (N) phosphorus (P) and calcium (Ca) additions;...
使用许可:CC BY
来源:Frontiers in Digital Humanities , 2016
作者:Dietrich, Karla, Oelmann, Yvonne, Spoeri, Elena
关键词:Phosphomonoesterase;phosphodiesterase;...
使用许可:CC BY
来源:Frontiers in Digital Humanities , 2015
作者:CáHomeier, Jürate-Tandalla, Daisy;等
关键词:Ecuador;Tree seedlings;...
使用许可:CC BY
来源:Frontiers in Digital Humanities , 2015
作者:rez, Juan P.;FöOelmann, Yvonne;等
关键词:arbuscular mycorrhizal fungi;Ecuador;...
使用许可:CC BY