( the ) endocrinologist is ( an ) internist who diagnoses and treats( the ) patients whith problems involving ( the ) endocrine glands. Over-or under-production of 9) hormones produced by these glands affects ( the ) person's rate of ( 不填 ) growth, metabolism and sexual development. At top hospitals,( 不填 ) endocrinologists consult with other specialists on problems from ( the ) diabetes to ( the )cancer.
应该是这样吧,冠词这东东烦人.