Authors:
KAISER R
SCHINDLER C
KUNZLI N
ACKERMANNLIEBRICH U
HEEB D
MEDICI TC
ZELLWEGER JP
Citation: R. Kaiser et al., USE OF TRANSITION-PROBABILITIES TO ESTIMATE THE EFFECT OF SMOKING ON THE DURATION OF EPISODES OF RESPIRATORY SYMPTOMS IN DIARY DATA - THE SWISS STUDY ON AIR-POLLUTION AND LUNG-DISEASES IN ADULTS (SAPALDIA), American journal of epidemiology, 148(6), 1998, pp. 600-608