Some Aspects of Sputum Examination in Tuberculosis Case-finding
نویسندگان
چکیده
It is well known that repeat sputum examination increases the yield of positive cases of pulmonary tuberculosis (Barton, 1958; Chandrasekhar et al, 1970; Nair et al, under print). For the purpose, overnight collected sputum specimens are considered superior to spot specimens (Andrews & Radhakrishna, 1959) though not always (Rao et al, 1966). Practical considerations, however, tend to restrict the number and type of specimens that may be obtained from each individual.
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