REVIEWS OF CURRENT LITERATURE

55. A Voluntary Examination in Obstetrics and Gynaecology . (Die Einfiihrung einer freiwilligen Chefarztprufung für Facharzte der Geburtshilfe und Frauenheilkunde.) By H. R oemer . 56. Mechanism of Cervical Mucus Crystallization . By C. A. S alvatore . 57. Placental Absorption of Iron . (Zur Frage der Eisenresorption durch die Plazenta.) By E. G oltner and K. O esterlund . 58. Volume of Liquor Amnii in Normal and Abnormal By P. M. E lliott and W. H. W. I nman . 59. Cytological Studies of Prolonged Pregnancy . (Zytologische Untersuchungen an iibertragenen Schwangerschaften.) By L. L ey , A. L ours and I. S chmitz . 60. Growth of the Placenta in Relation to Foetal Weight and Duration of Pregnancy . (Das Wachstum der Plazenta im Zusammenhang mit Kindsgewicht und Tragzeitlange.), By K. S olth . 61. Placenta Previa: Modern Methods of Diagnosis . By D. C avanagh , C. E. P owe and A. J. G ilson . 62. Pregnancy in Bicornuate Uterus With and Without Utriculoplasty . (Schwangerschaften bei Doppelmissbildungen der Gebarmutter mit und ohne Metroplastik.) By K. H olderberg . 63. Antenatal Diagnosis of the Rh Erythroblastotic Fetus . By W. C. R igsby , N. V orys , W. E. C opeland and J. C. U llery . 64. Prevention of Intra‐Uterine Asphyxia . (Prophylaxe der intrauterinen Asphyxie.) By K. T osetti . 65. The Vacuum Extractor in Domiciliary Obstetrics . (Der Vakuum‐Extraktor in der Hausgeburtshilfe.) By W. F ulst . 66. Mucus Retention Associated with Atresia of the Genital Tract in the Newborn (Hydrometrocolpos .) (Die schleimhaltigen Auftreibungen des inneren Genitales bei Gvnatresien der Neueeborenen.) By E. R uther . 67. A Blood‐Chemical Method of Determining Patency of the Fallopian Tubes . (Blutchemische Bestimmung der Durchgangigkeit der Tuben (Chemopertubation).) By F. R abati . 68. Paget's Disease of the Vulva: Presentation and Histochemical Study of Four Cases . By I. T aki and N. A. J anovski . 69. Intravenous Leiomyomatosis of the Uterus . By R. S. H arper and R. E. S cully . 70. Results and Experience of the Central Cytological Laboratory, Dortmund, 1959–1960 . (Ergebnisse und Erfahrungen des zytologischen Zentral‐Laboratoriums Dortmund 1959‐1960.) By J. M eyberg . 71. The Detection of Recurrent Carcinoma in situ of the Cervix after Conservative Treatment . (Die Erfassung des rezidivierenden Oberflachenkarzinoms am Collum uteri nach konservativer Therapie.) By D. W agner . 72. Histology of Carcinoma of the Uterine Cervix and Survival Rates in Pregnant and Non‐pregnant Patients . By C. P. C herry and A. G lucksman . 73. Histological Grade and Survival in Cervical Cancer . By W. B. W entz . 74. Complications of Intensive Radiation Therapy for Cervical Carcinoma . By F. C. G reiss , D. D. B lake and F. R. L ock . 75. Intracavitary Radioactive Colloidal Gold in the Management of Ovarian Carcinoma . By R. G. R ose . 76. A Study of Ovarian Dysgerminoma with Emphasis on the Role of Radiation Therapy . By R. H. T hoeny , M. B. D ockerty , A. B. H unt and D. S. C hilds . 77. Reconstruction of the Female Urethra to Reduce By J . R. W oodward and V. F. M arshall . 78. Postradiation Ureteral Stricture . By R. K. R hamy and R. W. S tander .