The authors have presented a surgical procedure for disruption of the acromioclavicular joint with or without fracture of the lateral end of the clavicle. The results of the dynamic repairs have been excellent with restoration of stability and normal strength in all cases. The majority of this group were vigorous young high school college and professional athletes prior to their injury and all were returned to their previous activities.

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dazole. This same order of activity also exists for inhibition of heme synthesis from glycine by chicken erythrocytes( 2.3 ) .

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This is the sixth revision of Titus' well-known work. As implied by the title there is a comprehensive account of all the usual obstetrical emergencies with full details of the operative procedures required. The scope of the book is much greater than might be supposed, for many subjects are dealt with which are not strictly related to the title. The section on the investigation of sterility is an example. Pelvimetry, clinical and radiographic, is adequately discussed, but this particular chapter is open to a criticism that also applies to some other sections of the text: by describing various alternative techniques the writer leaves doubt regarding his own preference. Incidentally, some of the methods detailed are now, one may suppose, superseded by improved techniques. For example, to a critical radiologist the illustrations relating to Thoms's original method might seem specifically designed to ensure that the foetal gonads receive the maximum rather than the minimum amount of radiation possible. The sections on ectopic gestation, forceps delivery, and CQsarean sectionto mention only a feware