17

CONFOUNDING AND BIAS IN EPIDEMIOLOGICAL INVESTIGATIONS

Year:
2002
Language:
english
File:
PDF, 108 KB
english, 2002
28

Back to the workplace

Year:
2004
Language:
english
File:
PDF, 322 KB
english, 2004
30

Constant estrus in rats: Vaginal, reflexive and behavioral changes

Year:
1969
Language:
english
File:
PDF, 231 KB
english, 1969