儿童癌症的可预防因素ＣａｒｒｏｑｕｉｎｏＭＪｅｔａｌ在美国，每年约有８０００例１５岁以下儿童癌症新病例。尽管儿童癌症较罕见，医学的发展又进一步使儿童癌症的死亡率显著下降，但近２０年来，新的儿童癌症的发生率仍持续增长。１９７４～１９９１年间，报告的儿童... Preventive factors for childhood cancer CarroquinoMJetal In the United States, there are about 8,000 new cases of cancer in children under the age of 15 each year. Although childhood cancer is rare and medical advances have further reduced the risk of childhood cancer deaths, the incidence of new childhood cancer has continued to increase in the last 20 years. From 1974 to 1991, the reported children ...