Research methodology: Strengthening causal interpretations of nonexperimental data
L. Sechrest, E. Perrin, J. Bunker (eds). Rockville, MD: US Department of Health and Human Services, Public Health Service, Agency for Health Care Policy and Research, May, 1990; DHHS Publ. No. 90 3454
Gespeichert in:
Ort, Verlag, Jahr:
1990
Enthalten in:
Cancer Causes & Control, 1/2(1990-09-01), 196-196
Format:
Artikel (online)
Online Zugang: