Umhela wezokwelapha

Umhela wezokwelapha ungumhela wenzululwazi obuyekezwe ngabalingani oqukethe ukwaziswa kwezokwelapha okubhekiswe ezinyangeni, nezinye izingcwepheshi zezempilo . Imihela ekhuluma ngobungoti obuhlukene bezokwelapha ngezinye izikhathi ibizwa ngokuthi imihela yezokwelapha jikelele . [1]

  1. Stevens, Lise M.; Lynm, Cassio; Glass, Richard M. (2006-04-19). "Medical Journals" (in en). JAMA 295 (15): 1860. doi:10.1001/jama.295.15.1860. ISSN 0098-7484. PMID 16622154.