“…Bezoar is a term app1lied to masses found in the stomach of animals and man (AIIlen, 1938), which were classif1i!ed according to the content of the maJterial as: (1) Trichobezoar ('hair ball), (2) Phytobezoar (vegetable matter), (3) Tdchophytobezoar (mixtUJre of vegetable matter and hrui'r), and ( 4) concretions (DeBakey and Ochsner, 1938). Bezoar formed by using to concen!trarted milk formulas, caUed lac.tobezoar, were also reported in the litterature (Wolff, 1959;Woliff, 1963;Levkoff et al, 1970;and Majd et aJ., 1972).…”