Concentration of cotinine and trans-3'-hydroxycotinine and its gucuronides in urine of smoking pregnant women

Hanna Kędziora, Ewa Florek, Wojciech Piekoszewski, Grzegorz H. Bręborowicz, Andrzej Anholcer, Ewa Gomółka, Maksymilian Kulza, Artur Stanek