Talvez deva tentar algumas variações de ortografia:
decrease burden » disease burden (Expandir a busca), decrease further (Expandir a busca)
decrease renal » decreased renal (Expandir a busca), decreases renal (Expandir a busca), decrease fetal (Expandir a busca)
renal decrease » removal decrease (Expandir a busca), signal decrease (Expandir a busca), renal disease (Expandir a busca)
burden objects » buried objects (Expandir a busca), wooden objects (Expandir a busca), golden objects (Expandir a busca)
decrease at » decrease akt (Expandir a busca), decrease and (Expandir a busca), decrease in (Expandir a busca)
at decrease » rate decrease (Expandir a busca), that decrease (Expandir a busca), and decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease _ decrease renal decrease ) OR ( decrease at decrease burden objects ))~.