Talvez deva tentar algumas variações de ortografia:
base preprocessing » based preprocessing (Expandir a busca), image preprocessing (Expandir a busca), noise preprocessing (Expandir a busca)
decrease response » decreased response (Expandir a busca), increased response (Expandir a busca), increases response (Expandir a busca)
decreased base » decreased bone (Expandir a busca), decreased brain (Expandir a busca), decreased risk (Expandir a busca)
hiv decreased » have decreased (Expandir a busca), is decreased (Expandir a busca), in decreased (Expandir a busca)
decrease hiv » decrease in (Expandir a busca), decrease their (Expandir a busca), decreased high (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 hiv decreased base preprocessing ) OR ( decrease at decrease response decrease ))~.