Incorporating correlations between measurements into the estimation of age-related reference ranges. [electronic resource]
- Statistics in medicine Sep 1998
- 1989-2002 p. digital
Publication Type: Journal Article
0277-6715
10.1002/(sici)1097-0258(19980915)17:17<1989::aid-sim891>3.0.co;2-q doi
Adolescent Age Factors CD4 Lymphocyte Count Child Child, Preschool Female HIV Infections--diagnosis HIV-1 Humans Infant Infant, Newborn Likelihood Functions Male Pregnancy Reference Values