Talvez deva tentar algumas variações de ortografia:
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 copd » decrease covid (Expandir a busca), decrease food (Expandir a busca), decrease sod (Expandir a busca)
copd subjects » and subjects (Expandir a busca), aged subjects (Expandir a busca), tmd subjects (Expandir a busca)
decrease toc » decrease of (Expandir a busca), decrease the (Expandir a busca), decreased to (Expandir a busca)
toc decrease » the decrease (Expandir a busca), not decrease (Expandir a busca), or decrease (Expandir a busca)
decrease to » decreased to (Expandir a busca), decrease the (Expandir a busca), decrease pro (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease toc decrease during decrease ) OR ( decrease to decrease copd subjects ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease toc decrease during decrease ) OR ( decrease to decrease copd subjects ))*.