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JAMA. 1931;96(20):1698. doi:10.1001/jama.1931.02720460044014.
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 New Studies in Birth Control, editorial , J. A. M. A. 96:1403 ( (April 25) ) 1931.
Link to Article[[XSLOpenURL/10.1001/jama.1931.02720430053016]]
Kelly, G. L.:  The Effect of Injections of Female Sex Hormone on Conception and Pregnancy in the Guinea-Pig , Surg. Gynec. Obst. 52:713 ( (March) ) 1931.
Kelly, G. L., and Kelly, Florence L.:  The Effect of Serum from Pregnant Women on the Oestrual Cycle of the Guinea-Pig , Surg. Gynec. Obst. 50:435 ( (Feb.) ) 1930.
Smith, M. G.:  On the Interruption of Pregnancy in the Rat by the Injection of Ovarian Follicular Extract , Bull. Johns Hopkins Hosp. 39: 203 ( (Oct.) ) 1926.
Parkes, A. S., and Bellerby, C. W.:  Studies on the Internal Secretions of the Ovary: II. The Effects of Injections of the Oestrus Producing Hormone During Pregnancy , J. Physiol. 62:145 ( (Dec.) ) 1926
 III. The Effects of the Injection of Oestrin During Lactation , ParkesJ. Physiol. 62:301 ( (Jan.) ) 1927.
Kaufmann, J., and Gottlieb, R.:  The Innervation of the Renal Parenchyma , Am. J. Physiol. 96:40 ( (Jan.) ) 1931.


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