“…Several more studies were published up to 1980 with conflicting results (Bobrow and Lewis, 1971;Warren et al, 1971;Tsuji and Sasaki, 1973;Goldstein et al, 1973;Manuel et al, 1974;Rhine et al, 1975Rhine et al, , 1977Rhine and Milunsky, 1979;Amankwah and Bond, 1977;Varner et al, 1977;Goldberg et al, 1980), reviewed by Adinolfi (1995). More recently, the emergence of new technology, e.g.…”