DATA ON CONTRACEPTION
[To the. Editor of THE SPECTATOR.]
SIR,—Of recent years much has been written concerning con- traception, but we are still in need of accurate information with regard to the results of the actual methods employed.
Considerable data has been accumulated concerning the use of mechanical methods, but it is probable that many members of the general public using other methods can help us considerably in this direction.
To further this end a questionnaire has been drawn up, a copy of which will be sent to anyone on application either to Dr. E. G. Griffith, The Cedars, Eggers Hill, Aldershot, or to myself. Each form is numbered ; therefore, no names are necessary. Naturally all names applying for such forms will be treated confidentially. Only one form should be used by each person.—I am, Sir, &c., CECIL I. B. VOGE, Ph.D., F.R.S.E. London School of Hygiene and Tropical Medicine.
Keppel Street (Gower Street), London, W.C. 1.
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