1. Growth of very low birth weight infants on varying amounts of human milk protein;Polberger;Pediatric Research,1989
2. Amino acid concentrations in plasma and urine in very low birth weight infants fed protein-unenriched or human milk protein-enriched human milk;Polberger;Pediatrics,1990
3. Eleven plasma proteins as indicators of protein nutritional status in very low birth weight infants;Polberger;Pediatrics,1990
4. Supplementation with human milk protein improves growth of small premature infants fed human milk;Rönnholm;Pediatrics,1986
5. Haemoglobin concentration depends on protein intake in small preterm infants fed human milk;Rönnholm;Archives of Disease in Childhood,1985