1. Alha, A. R., andR. Lindfors: Use of acetone in the isolation of organic poisons from biological material. Ann. Med. exp. Fenn.37, 149?156 (1959).
2. ?, andV. Tamminen: Infrared spectroscopy in forensic chemical identification. Ann. Med. exp. Fenn.37, 157?174 (1959).
3. Curry, A. S.: A metabolite of carbromal. Nature (Lond.)188, 58 (1960).
4. Feigl, F.: Spot tests in organic analysis, 6. Aufl. Amsterdam: Elsevier Publishing Company 1960.
5. Levi, L., andCh. E. Hubley: Detection and identification of clinically important barbiturates. Analyt. Chem.28, 1591?1605 (1956).