Bertotto A, Gerli R, Castellucci G, Crupi S, Scalise F, Spinozzi F, Fabietti G, Forenza N, Vaccaro R
Department of Pediatrics, Perugia University Medical School, Italy.
Am J Reprod Immunol. 1993 Mar;29(2):131-4. doi: 10.1111/j.1600-0897.1993.tb00577.x.