Talvez deva tentar algumas variações de ortografia:
decreased theory » decrease theory (Expandir a busca), decreased tumor (Expandir a busca), decreased memory (Expandir a busca)
theory decrease » therapy decreases (Expandir a busca), memory decreases (Expandir a busca)
decrease within » decrease with (Expandir a busca), decreases with (Expandir a busca), disease within (Expandir a busca)
within objects » within subjects (Expandir a busca), with objects (Expandir a busca), without objects (Expandir a busca)
and decreased » and decreases (Expandir a busca), and increased (Expandir a busca)
decrease and » decreases and (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
decrease the » decreases the (Expandir a busca), decrease in (Expandir a busca), decrease of (Expandir a busca)
the decrease » to decrease (Expandir a busca), and decrease (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Caso esteja tentando utilizar os operadores booleanos, deve escrevê-los em Letras MAIÚSCULAS: (( decrease AND decreased theory decrease ) OR ( decrease the decrease within objects ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease and decreased theory decrease ) OR ( decrease the decrease within objects ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease and decreased theory decrease ) OR ( decrease the decrease within objects ))*.