S. Funk

Safety and efficacy of Implanon, a single-rod implantable contraceptive containing etonogestrel.

D. Mishell, D. Archer, Jüergen Schmidt, 2005, Contraception.

Original research article Safety and efficacy of Implanonk, a single-rod implantable contraceptive containing etonogestrel

D. Mishell, D. Archer, Jüergen Schmidt, 2005 .

Acceptability of NuvaRing®, a new method of combined contraception

N. Alexander, A. Waldbaum, S. Funk, 2002 .