1. Low-dose progestin-releasing contraceptives are associated with a higher pain threshold in healthy women 
Manuela Menezes Máximo, M.D., Patrícia Silveira Silva, M.D., Carolina Sales Vieira, Ph.D., Thaís Mangetti Gonçalvez, B.S., Júlio Cesar Rosa-e-Silva, Ph.D., Francisco José Candido-dos-Reis, Ph.D., Antonio Alberto Nogueira, Ph.D., Omero Benedicto Poli-Neto, Ph.D. 
Fertility and Sterility 
Volume 104, Issue 5, Pages (November 2015)
DOI: /j.fertnstert
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2. Figure 1
Flow diagram of the study design. Cu-IUD = copper intrauterine device; ETG = etonogestrel; NET = norethisterone enantate; EV = E2 valerate. Other abbreviations defined in article text.
Fertility and Sterility  , DOI: ( /j.fertnstert )
Copyright © 2015 American Society for Reproductive Medicine Terms and Conditions