Patterns of enrollment on cooperative group studies. An analysis of trends from the Los Angeles county cancer surveillance program
Dr. Mark D. Krailo, Leslie Bernstein, Jane Sullivan-Halley, G. Denman HammondVolume:
71
Year:
1993
Language:
english
Pages:
6
DOI:
10.1002/1097-0142(19930515)71:10+3.0.co;2-k
File:
PDF, 497 KB
english, 1993