A Procedure for the Determination of Total Iodine in Radioactive Iodide Preparations of High Specific Activity von Helmkamp, R. W, Contreras, Ma. de los Angeles, Bale, W. F

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The Action of Some Benzyl Halides on Salts of Phenylnitromethane and Phenylnitro-acetonitrile von Weisler, Leonard, Helmkamp, R. W

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A label for the red cell membrane: diazotized diiodosulfanilic acid von Helmkamp, R.W., Sears, David A.

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THE ADDITION REACTIONS OF CERTAIN PENTADIENONES von Kohler, E. P, Helmkamp, R. W

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A Text-book of Practical Organic Chemistry Including Qualitative Organic Analysis von Helmkamp, R. W

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Substances Naturelles de Synthèse von Helmkamp, R. W

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Substances Naturelles de Synthèse von Helmkamp, R. W

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Name Reactions in Organic Chemistry von Helmkamp, R. W

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Some Michael Condensations Involving Benzyl Cyanide von Helmkamp, R. W, Tanghe, Leo J, Plati, John T

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Substances Naturelles de Synthèse von Helmkamp, R. W

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High specific activity iodination of gamma-globulin with iodine-131 monochloride von HELMKAMP, R W, GOODLAND, R L, BALE, W F, SPAR, I L, MUTSCHLER, L E

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A radioactive label for the erythrocyte membrane von Sears, David A., Reed, Claude F., Helmkamp, Ralph W.

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THE SYNTHESIS OF DL-LYSINE C14 in the Epsilon Position von OLYNYK, PAUL, CAMP, DAVID B, GRIFFITH, ARVON M, WOISLOWSKI, SIEGFRIED, HELMKAMP, R. W

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THE RÖLE OF MERCURIC NITRATE IN THE “CATALYZED” NITRATION OF AROMATIC SUBSTANCES.4 [FIRST PAPER.] von Davis, Tenney L, Worrall, D. E, Drake, N. L, Helmkamp, R. W, Young, A. M

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The determination of 210Po and 210Bi in human urine by direct extraction on nickel von Helmkamp, R.W., Bale, W.F., Hrynyszyn, V.

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I-131-labeling of proteins at high activity level with I-131-Cl produced by oxidation of total iodine in Na-I-131 preparations von Helmkamp, R W, Contreras, M A, Izzo, M J

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I 131-labeling of proteins by the iodine monochloride method von Helmkamp, R.W., Contreras, M.A., Bale, W.F.

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High Specific Activity Labeling of Protein with I131 by the Iodine Monochloride Method. von Bale, W. F., Helmkamp, R. W., Davis, T. P., Izzo, M. J., Goodland, R. L., Contreras, M. A., Spar, I. L.

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THE RÖLE OF MERCURIC NITRATE IN THE “CATALYZED” NITRATION OF AROMATIC SUBSTANCES. 4 [FIRST PAPER.] von Davis, Tenney L., Worrall, D. E., Drake, N. L., Helmkamp, R. W., Young, A. M.

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The synthesis of DL-lysine with C14 in the epsilon position von OLYNYK, P, CAMP, D B

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