The importance of understanding pelvic inflammatory disease as a polymicrobial infection -authors’ reply

Alexiou, Zoïe W.; Hoenderboom, Bernice M.; Hoebe, Christian J.P.A.; Dukers-Muijrers, Nicole H.T.M.; Götz, Hannelore M.; van der Sande, Marianne A.B.; de Vries, Henry J.C.; den Hartog, Janneke E.; Morré, Servaas A.; van Benthem, Birgit H.B.