The analysis is usually prescribed in a complex of instrumental and laboratory studies, but it should be done only in the direction of the doctor, after the examination and routine tests.
Uhlaziyo ngokuvamile ebekiwe inhlanganisela ucwaningo wezinsimbi futhi laboratory, kodwa kumele kwenziwe kuphela ngesikhathi kokuqondisa kukadokotela, kulandela ukuhlolwa kanye nokuvivinywa isimiso.