References
- Alström T, Gräsbeck R, Hjelm M, Skandsen S. Recommendation concerning the collection of reference values in clinical chemistry and activity report. Scan J Clin Lab Invest 1975; 35(Suppl. 144)1–44
- Alström T, Dahl M, Gräsbeck R, Hertz H, Hjelm M, Larsson A, Moe P J, Näntö V, Solberg H E. Paediatric reference values. Scan J Clin Lab Invest 1979; 39(Suppl. 152)38
- Alström T, Dahl M, Gräsbeck R, Hertz H, Hjelm M, Larsson A, Moe P J, Näntö V, Solberg H E. Paediatric reference values. NORDKEM Posters. NORDKEM, Helsinki 1979; 25–33
- National Committee for Clinical Laboratory Standards (NCCLS). Approved standard procedure for the collection of diagnostic blood specimens by skin puncture. NCCLS Publication, Villanova, PA 1982; 2, no. 5
- Meites S, Levitt M J, Blumenfeld T A, Hammond K B, Hicks J M, Hill G J, Sherwin J E, Smith E K. Skin puncture and blood-collecting techniques for infants. Clin Chem 1979; 25: 183–9
- Blumenfeld T A. An American prospective of pediatric blood specimen collection. Reference Values in Laboratory Medicine, R Gräsbeck, T Alström. John Wiley & Sons, Chichester 1981; 85–96
- Moe P J. Umbilical cord blood and capillary blood in the evaluation of anaemia in erythroblastosis foetalis. Acta Paediatr Scand 1967; 56: 391–4
- Blumenfeld T A, Turi G K, Blanc W A. Recommended site and depth of newborn heel punctures based on anatomical measurements and histo-pathology. Lancet 1979; 1: 230–3
- Wimberley P D, Hansen E, Bucher D, Olesen H. Ear, finger and vein blood: Analytical variation. NORDKEM Posters. The Finnish Government Printing Center, Helsinki 1984; 53–5
- Nexø E, Christensen N C, Olesen H. Volume of blood removed for analytical purposes during hospitalization of low-birthweight infants. Clin Chem 1981; 27: 759–61