[On the value of heart frequency curves in Valsalva's test in children].
D000293:Adolescent; D000367:Age Factors; D002648:Child; D005260:Female; D006339:Heart Rate; D006801:Humans; D014636:Valsalva Maneuver
Zur Aussage der Herzfrequenzkurven im Valsalva-Versuch bei Kindern.