[A study to find out the reasons why not all Greek graduate nurses belong to the National Nurses' Association].
D006115:Greece; D009726:Nurses; D012956:Societies, Nursing; D011795:Surveys and Questionnaires
Melete eureseos aition tes me engraphes kai energou symmetoches ton diplomatouchon adelphon eis ton E. S. D. E. N.