TY - GEN AU - Ng,Y K AU - Chen,C H AU - Goh,E H AU - So,C S AU - Hui,A AU - Kaur,K AU - Lee,L K AU - Kuhadas,N AU - Chan,M L AU - Ling,S G TI - Selective area tuberculosis surveys in Singapore 1978 SN - 0304-4602 PY - 1981///1124 KW - Aged KW - Female KW - Health Surveys KW - Humans KW - Male KW - Mass Chest X-Ray KW - Middle Aged KW - Random Allocation KW - Singapore KW - Tuberculosis, Pulmonary KW - diagnostic imaging N1 - Publication Type: Journal Article ER -