Brownrigg, G.M. : Cholecystitis and cholelithiasis in younger age groups. Can. Med. J.101:291, 1969.
2.
Calabrese, C. , and Pearlman, D.: Gallbladder disease below the age of 21 years . Surgery70: 3, 1971.
3.
Crichlow, R.W. , Seltzer, M.H., and Jannetta , P.S.: Cholecystitis in adolescents. Am. J. Dig. Dis.17: 68. 1972.
4.
Gardner, B., Masur, R., and Fujimoto, J.: Factors influencing the timing of cholecystectomy in acute cholecystitis. Am. J. Surgery125: 730, 1973.
5.
Graivier, L. , Dorman, G.W., and Wotteler , T.P.: Gallbladder disease in infants and children. Surgery63: 4, 1968.
6.
Hanson, B.A. , Mahour, G.H., and Woolley, M.M.: Diseases of the gallbladder in infancy and childhood. J. Ped. Surg.6: 3, 1971.
7.
Johnson, R.J. , and Longiono, L.A.: Cholelithiasis and cholecystitis in children. Am. Surgery17, 651, 1971.
8.
Moosa, A.R.: Cholelithiasis in childhood. J. R. Coll. Surg. Edinb.18: 42, 1973.
9.
Morales, L., Taboada, E., Toledo, L., and Radingan, W.: Cholecystitis and cholelithiasis in children. J. Ped. Surg.2: 6, 1967.
10.
Plant, J.C.D. , Percy, I., Bates, T., Gastard, S., and Hita deNercy, Y.: Incidence of gallbladder disease in Canada, England, and France. Lancet2: 249, 1973.
11.
Sears, G.F. , Golden, G.T., and Hersley, I.: Cholecystitis in childhood and adolescence . Arch. Surg.106: 651, 1973.
12.
Soderlund, S., and Zetterstrom , B.: Cholecystitis and cholelithiasis in children. Arch. Dis. Child.37: 174, 1962.
13.
Walker, C.H.N. : Aetiology of cholelithiasis in childhood. Arch. Dis. Child.32: 293, 1957.
