Spontaneous abortion and a diet drug containing caffeine and ephedrine: a study within the Danish national birth cohort.

por Penelope P Howards, Irva Hertz-Picciotto, Bodil H Bech, Ellen A Nohr, Anne-Marie Nybo Andersen, Charles Poole, Jørn Olsen
Publicado 2012

Strengthening the Reporting of Observational Studies in Epidemiology (STROBE): explanation and elaboration.

por Jan P Vandenbroucke, Erik von Elm, Douglas G Altman, Peter C Gøtzsche, Cynthia D Mulrow, Stuart J Pocock, Charles Poole, James J Schlesselman, Matthias Egger, STROBE Initiative
Publicado 2007