id	keyword
ejpam-5901	fractional
ejpam-5901	b∗(ϱ1
ejpam-5901	model
ejpam-5901	pneumonia
ejpam-5901	ϱ1ϱ2
ejpam-5901	order
ejpam-5901	ϱ2−1
ejpam-5901	ϵϱ2−1(t−
ejpam-5901	ϱ1)t
ejpam-5901	fractal
ejpam-5901	saber