Talvez deva tentar algumas variações de ortografia:
lipid decrease » rapid decrease (Expandir a busca), ligand decrease (Expandir a busca), limb decrease (Expandir a busca)
decrease lipid » increases lipid (Expandir a busca), increased lipid (Expandir a busca)
decrease hiv » decrease in (Expandir a busca), decrease their (Expandir a busca), decreased high (Expandir a busca)
decrease to » decreased to (Expandir a busca), decrease toc (Expandir a busca), decrease the (Expandir a busca)
hiv objects » in objects (Expandir a busca), bim objects (Expandir a busca), big objects (Expandir a busca)

Você pode obter mais resultados ajustando o argumento de busca.

• Remover as aspas pode possibilitar buscas mais amplas: (( decrease to decrease NOT decrease ) OR ( decrease lipid decrease hiv objects ))~.