Cita APA

Langholz, B., & Clayton, D. (1994). Sampling strategies in nested case-control studies.

Chicago Style Citation

Langholz, B., i D. Clayton. Sampling Strategies in Nested Case-control Studies. 1994.

Cita MLA

Langholz, B., i D. Clayton. Sampling Strategies in Nested Case-control Studies. 1994.

Atenció: Aquestes cites poden no estar 100% correctes.