ABO blood groups and sex ratio at birth.

Postmenopausal Genital Tuberculosis W. H. Roberts .......................... 526 Footballer's Migraine R. N. Lucas, D.P.M ..................... 526 Recurrent Urinary Infections in a Girl R. H. Jackson, F.R.C.P., and A. Smith, F.R.C.G.P ............................... 526 Recurrent Urinary Infections P. Dure-Smith, M.D., F.F.R ............... 527 Depressive Illness and Aggression in Belfast H. A. Lyons, M.R.C.P.I., D.P.M ............. 527 Oral Prostaglandin E2 for Induction of Labour H. K. Basu, F.R.C.S.ED., and H. ThelwallJones, M.R.C.O.G ......................... 527 Diabetics and Motorway Crashes N. Santer, PH.C ......................... 527 Condylomata Acuminata M. A. Waugh, M.B.; Surgeon Captain R. W. B. Scutt, F.R.C.P.ED ................. 527 Chondromalacia Patellae A. W. Fowler, F.R.C.S ..................... 528 Fat Embolism in Patients with Fractured Hips D. Rosborough, F.R.C.S ................... 528 Total Replacement of the Hip R. H. Ellis, F.F.A. R.C.s., and J. T. Mulvein, F.F.A. R.C.S. ........................... 528 ABO Blood Groups and Sex Ratio at Birth T. M. Allan, M.B ....................... 528 Hypotension after Verapamil E. F. Vaughan-Neil, B.M., and others...... 529 Post-gastrectomy Acidity P. H. Snell, M.R.CP., and G. J. Draper, M.A. 529 Need for Continued Oral Therapy in Diabetes A. Bloom, F.R.C.P ....................... 529 Skin Sensitivity in Au-antigen Carriers B. Halikowski, M.D., and others ...... ...... 529 Liver Injury H. Bharucha, M.D., and others ............ 529 Neonatal Conjunctivitis Elizabeth I. Tanner, M.R.C.PATH........... 530 Asymptomatic Bacteriuria-a Serious Disease ? L. A. Hanson, M.D., and others ...... ...... 530 D.T.P. Immunization by Intradermal Jet Injection G. W. J. Bousfield, M.D ................... 530 Vasectomy P. G. Konstaml, F.R.C.S.ED ................. 531 Breast-milk Jaundice and the Pill B. S. B. Wood, F.R.C.P., and Y. K. Wong,