Soluble cd4 during human hiv 1 infection D.P.oli P.; Basaglia, G.; Gennari, D.; Jus, A.; Crovatto, M.; Santini, G. International Journal of Immunopathology and Pharmacology 4(1): 61-65 1991 0394-6320 https://eurekamag.com/research/007/802/007802834.php