Serrano, NC; Diaz, LA; Paez, MC; Mesa, CM; Cifuentes, R; Monterrosa, A; Gonzalez, A; ... Casas, JP; + view all (2006) Angiotensin-converting enzyme I/D polymorphism and preeclampsia risk: Evidence of small-study bias. PLoS Medicine , 3 (12) , Article e520. 10.1371/journal.pmed.0030520. Green open access