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