Authors: L Kann; C W Warren; W A Harris; J L Collins; K A Douglas; M E Collins; B I Williams; J G Ross; L J Kolbe Journal: MMWR CDC Surveill Summ Date: 1995-03-24
Authors: G A Giovino; M W Schooley; B P Zhu; J H Chrismon; S L Tomar; J P Peddicord; R K Merritt; C G Husten; M P Eriksen Journal: MMWR CDC Surveill Summ Date: 1994-11-18