Talvez deva tentar algumas variações de ortografia:
decreased risk » increased risk (Expandir a busca), decreased in (Expandir a busca)
risk decrease » risk decreases (Expandir a busca), risk increase (Expandir a busca), break decrease (Expandir a busca)
decrease toc » decrease the (Expandir a busca), decreased to (Expandir a busca), decrease on (Expandir a busca)
toc decrease » to decrease (Expandir a busca), the decrease (Expandir a busca), not decrease (Expandir a busca)
decrease of » decrease in (Expandir a busca)
or decrease » of decrease (Expandir a busca), not decrease (Expandir a busca), to decrease (Expandir a busca)
decrease or » decrease on (Expandir a busca), decrease pro (Expandir a busca), decrease in (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: (( decreased risk decrease of process ) OR ( decrease toc decrease OR decrease ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decreased risk decrease of process ) OR ( decrease toc decrease or decrease ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decreased risk decrease of process ) OR ( decrease toc decrease or decrease ))*.