Authors:
VERVER S
POELMAN M
BOGELS A
CHISHOLM SL
DEKKER FW
Citation: S. Verver et al., EFFECTS OF INSTRUCTION BY PRACTICE ASSISTANTS ON INHALER TECHNIQUE AND RESPIRATORY SYMPTOMS OF PATIENTS - A CONTROLLED RANDOMIZED VIDEOTAPED INTERVENTION STUDY, Family practice, 13(1), 1996, pp. 35-40