Talvez deva tentar algumas variações de ortografia:
decrease fetal » decrease fear (Expandir a busca), decrease renal (Expandir a busca), decrease total (Expandir a busca)
decrease not » decrease of (Expandir a busca), decrease akt (Expandir a busca), decrease on (Expandir a busca)
not decrease » to decrease (Expandir a busca), not increase (Expandir a busca), and decrease (Expandir a busca)
decrease at » decrease akt (Expandir a busca), decrease and (Expandir a busca), decrease in (Expandir a busca)
at decrease » rate decrease (Expandir a busca), that decrease (Expandir a busca), and decrease (Expandir a busca)
fetal avt » fetal ante (Expandir a busca), fetal and (Expandir a busca), fetal age (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 NOT decrease at decrease ) OR ( decrease _ decrease fetal avt ))~.
• As palavras AND, OR e NOT pode ocasionar problemas na busca; tente utilizar as aspas: "(( decrease not decrease at decrease ) OR ( decrease _ decrease fetal avt ))~".
• Adicionar um caractere curinga pode recuperar variações da palavra buscada: (( decrease not decrease at decrease ) OR ( decrease _ decrease fetal avt ))*.