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Van Look PF, von Hertzen H.Van Look PF, et al. Among authors: von hertzen h.Br Med Bull. 1993 Jan;49(1):158-70. doi: 10.1093/oxfordjournals.bmb.a072594.Br Med Bull. 1993.PMID: 8324605Review.
Van Look PF, Von Hertzen H.Van Look PF, et al. Among authors: von hertzen h.Curr Obstet Gynaecol. 1993;3:2-10. doi: 10.1016/0957-5847(93)90055-t.Curr Obstet Gynaecol. 1993.PMID: 12295553
Van Look PF, von Hertzen H.Van Look PF, et al. Among authors: von hertzen h.Hum Reprod Update. 1995 Jan;1(1):19-34. doi: 10.1093/humupd/1.1.19.Hum Reprod Update. 1995.PMID: 9080204Review.
Piaggio G, Van Look P, von Hertzen H, Gemzell K, Heikinheimo O, Templeton A.Piaggio G, et al. Among authors: von hertzen h.Contraception. 2010 Mar;81(3):265. doi: 10.1016/j.contraception.2009.10.005. Epub 2009 Nov 14.Contraception. 2010.PMID: 20159186No abstract available.
van Look PF, von Hertzen H.van Look PF, et al. Among authors: von hertzen h.BMJ. 1995 Jan 14;310(6972):128. doi: 10.1136/bmj.310.6972.128a.BMJ. 1995.PMID: 7833712Free PMC article.No abstract available.
Van Look PF, von Hertzen H.Van Look PF, et al. Among authors: von hertzen h.Hum Reprod. 1993 Jun;8(6):981-2. doi: 10.1093/oxfordjournals.humrep.a138179.Hum Reprod. 1993.PMID: 8345096No abstract available.