title: Progress in the perturbation approach in fluid and fluid-related theories.
authors.affiliation: State Key Laboratory of Powder Metallurgy, Central South University, Changsha, Hunan 410083, China. chixiayzsq@yahoo.com
authors.forename: Shiqi
authors.initials: S
authors.lastname: Zhou
authors.forename: J R
authors.initials: JR
authors.lastname: Solana