| Halothane EC 50 in the DLP 1 and DHP 1 mice was 0 . 86 + / 0 . 01 ( SE ) and 1 . 10 + / 0 . 04 atm % , respectively ( P < 0 . 0001 ) , and that in the DLP 2 and DHP 2 mice was 0 . 88 + / 0 . 01 and 0 . 97 + / 0 . 02 atm % , respectively ( P < 0 . 0001 ) . ( ABSTRACT TRUNCATED AT 250 WORDS ) . ^^^ |