Talvez deva tentar algumas variações de ortografia:
decreases mortality » increases mortality (Expandir a busca), diseases mortality (Expandir a busca), increased mortality (Expandir a busca)
decrease during » increase during (Expandir a busca), increases during (Expandir a busca), increased during (Expandir a busca)
during decrease » during increased (Expandir a busca), during depressed (Expandir a busca), during disease (Expandir a busca)
decrease that » decrease the (Expandir a busca), decrease at (Expandir a busca), decrees that (Expandir a busca)
that decrease » that increase (Expandir a busca), that increases (Expandir a busca), not decrease (Expandir a busca)
not decreases » not decrease (Expandir a busca), not decreased (Expandir a busca), nfoh decreases (Expandir a busca)
decrease not » decrease of (Expandir a busca), decrease akt (Expandir a busca), decrease at (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease during decrease that decrease ) OR ( decrease not decreases mortality and ))~.