Tell or Say what analysis of a blood it is necessary to make to define or determine a leukemia?..

[JUlja]

Tell or Say what analysis of a blood it is necessary to make to define or determine a leukemia? Thanks.

[Doronin V.A.]

For the beginning the usual general or common analysis of a blood. If he without deviations or rejections from norm or rate in additional researches there is no necessity.