Talvez deva tentar algumas variações de ortografia:
decreases reactive » decreased reactive (Expandir a busca), increases reactive (Expandir a busca), diseases reactive (Expandir a busca)
reactive objects » fictive objects (Expandir a busca), reactive effects (Expandir a busca), reaching objects (Expandir a busca)
pain decreases » pain decrease (Expandir a busca), brain decreases (Expandir a busca), pten decreases (Expandir a busca)
decrease risk » decreased risk (Expandir a busca), increase risk (Expandir a busca), decrease in (Expandir a busca)
risk decrease » risk decreases (Expandir a busca), risk increase (Expandir a busca), break decrease (Expandir a busca)
decrease pain » decreases pain (Expandir a busca), decrease in (Expandir a busca), decreased brain (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 _ decrease risk decrease ) OR ( decrease pain decreases reactive objects ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease _ decrease risk decrease ) OR ( decrease pain decreases reactive objects ))*.