The electrocardiogram in first graders

Scholz, H.; Klimt, F.; Bruhn, B.; Ollmann, U.; Szudra, E.

Kinderarztliche Praxis 39(5): 233-239

1971


ISSN/ISBN: 0023-1495
PMID: 5137709
Document Number: 32191

Document emailed within 1 workday
Secure & encrypted payments