3Van R L, Bayliss C E, Roncari D A K. Cytological and enzymological characterization of adult human adipocyte precursors in culture. J Clin Investi, 1976, 58 (9):699-704
7Ackerman LY, Ramirez GA. Ilie indications for and lim-itations of frozen section diagnosis. A review of 1269 con-secutive frozen section diagnoses[ J]. British Journal ofSurgery, 1959, 46(198) : 336 -350.