Porter Ruth, O'Connor Maeve Cystic fibrosis - - London J & A Churchill Ltd 1968 - 150 p. 22 cm. - Ciba foundation study group no.32 . Cystic Fibrosis, Periodicals ISBN: 7000 1373 3 Subjects--Topical Terms: PeriodicalsCystic Fibrosis Dewey Class. No.: SERIAL / CIB