[Listening at Tosca on the balcony. The secret of heavenly sound--a randomized, cross-sectional study].
Nieminen
Outi
O
HUS, Töölön sairaala, käsikirurgian klinikka PL 266, 00029 HUS.
Mäkisalo
Heikki
H
Vaara
Martti
M
D003430:Cross-Sectional Studies; D004864:Equipment and Supplies / Q000382:microbiology*; D006801:Humans; D009146:Music; D009790:Occupations; D011549:Pseudomonas / Q000302:isolation & purification*