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COJCBRELUIK (ON), LOMADESN(I Dr), “LIGHT (R.F,).- new tetraethenoïd sterol of yeast.

J.-Org. chem, 1954, 19, 1734-40.

(IO) CASPERSSON (T.) et divers col1.- Chromosoma, 1939-1940, I, I47, 562, 605:

IOAO-TOA, D, I52, 210 0e 249, 454.

(II) CHARONNAT (R.).- J. Pharm. Chim, Résumé des communications à la Société de Pharmacie de Paris, 1936, 25, 307.

(I2) CHRISTENSEN (E.), GIESE (A.C.).- Changes in absorption spectra of nucleïc acids and their derivates following exposure to ozone and ultraviolet radiations.

(I3) CONWAY (E.J.), BREEN (J.).- An ‘“Ammonia® yeast and some of its properties.

Bloohen. Hnr025,, 30,566.

CEA) DECOURCL ES) MN OP E ROSS- LH.) = Deer 27 ultraviolet light on desoxyribonucleic Acid in Rat thymocytes.

Hate Ts 70 AT ES.

(I5) DEAN (A.C.R.), Sir Cyril HINSHELWOOD.- Inducsd and others variations in bacterial cultures.

Jr Chomisoor ICT, ALES fe

(I5B) DISCHE.- Mikrochemie 1930, 68, 4.

(I6) DULBECCO (R.).- Experiments on photoreactivation of bacteriophages inactived with ultraviolet radiations.

Jr EsCts 1950,:59, 329.

(I7) DULAZERT (C.).- Sub microdosage de l'azote dans la matière organique par la méthode de Kjeldahl.

BH Soc. -Chim. Biol. 1956,:+tome 2%, Der 1405:

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