| Literature DB >> 14218858 |
Abstract
Keywords: ABSENTEEISM; ADOLESCENCE; DYSMENORRHEA; EPISTAXIS; GASTROINTESTINAL DISEASES; HEADACHE; MENTAL DISORDERS; PENNSYLVANIA; RESPIRATORY TRACT DISEASES; SKIN DISEASES; STATISTICS; STUDENT DROPOUTS; STUDENT HEALTH SERVICES; TOOTHACHE; WOUNDS AND INJURIES
Mesh:
Year: 1965 PMID: 14218858 DOI: 10.1001/archpedi.1965.02090020030004
Source DB: PubMed Journal: Am J Dis Child ISSN: 0002-922X