Pendergrass، P. B.؛ Reeves، C. A.؛ Belovicz، M. W.؛ Molter، D. J.؛ White، J. H. (1996). "The shape and dimensions of the human vagina as seen in three-dimensional vinyl polysiloxane casts". Gynecologic and Obstetric Investigation. ج. 42 ع. 3: 178–182. DOI:10.1159/000291946. PMID:8938470.
Pendergrass، P. B.؛ Reeves، C. A.؛ Belovicz، M. W.؛ Molter، D. J.؛ White، J. H. (2000). "Comparison of vaginal shapes in Afro-American, Caucasian and Hispanic women as seen with vinyl polysiloxane casting". Gynecologic and Obstetric Investigation. ج. 50 ع. 1: 54–59. DOI:10.1159/000010281. PMID:10895030.
.Pendergrass، P. B.؛ Belovicz، M. W.؛ Reeves، C. A. (2003). "Surface area of the human vagina as measured from vinyl polysiloxane casts". Gynecologic and Obstetric Investigation. ج. 55 ع. 2: 110–113. DOI:10.1159/000070184. PMID:12771458.
Pendergrass، P. B.؛ Reeves، C. A.؛ Belovicz، M. W.؛ Molter، D. J.؛ White، J. H. (1996). "The shape and dimensions of the human vagina as seen in three-dimensional vinyl polysiloxane casts". Gynecologic and Obstetric Investigation. ج. 42 ع. 3: 178–182. DOI:10.1159/000291946. PMID:8938470.
Pendergrass، P. B.؛ Reeves، C. A.؛ Belovicz، M. W.؛ Molter، D. J.؛ White، J. H. (2000). "Comparison of vaginal shapes in Afro-American, Caucasian and Hispanic women as seen with vinyl polysiloxane casting". Gynecologic and Obstetric Investigation. ج. 50 ع. 1: 54–59. DOI:10.1159/000010281. PMID:10895030.
.Pendergrass، P. B.؛ Belovicz، M. W.؛ Reeves، C. A. (2003). "Surface area of the human vagina as measured from vinyl polysiloxane casts". Gynecologic and Obstetric Investigation. ج. 55 ع. 2: 110–113. DOI:10.1159/000070184. PMID:12771458.
