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1JSMH__ 311 attention to a valve which may be suitable ? It was originally designed to maintain a patent needle and no syringe-reflux during prolonged intravenous work. The valve is designed on the same principle as a bicycle valve and may be sterilized and re-used. It is being made by M.I.E., London, and is now in their catalogue: p. 170, Fig. 4013-Heller's Adaptor.-I am, etc., Wakefield. M. H. HELLER. Laissez-faire Antenatal Care SIR,-Replying to Mr. F. Langford's letter (July 9, p. 149) and emphasizing that 1 write as an individual who just happens to have been on the Norfolk Local Medical Committee for 12 years, I too read Dr. Hamish G. Nicol's letter (May 14, p. 1504), but without surprise: because (I) in the B.B.C. television programme "Your Life in Their Hands" a town G.P., presumably sup

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