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Recruitment in NHLBI population-based studies and randomized clinical trials: Data analysis and survey results
Jeffrey L. Probstfield, Janet T. Wittes, Donald B. HunninghakeVolume:
8
Year:
1987
Language:
english
DOI:
10.1016/0197-2456(87)90017-1
File:
PDF, 444 KB
english, 1987