1. Ultrasound studies of human fetal behaviour;Prechtl;Early Hum Dev,1985
2. The serial organization of sucking in the young infant;Wolff;Pediatrics,1968
3. Non-nutritive sucking during gavage feeding enhances growth and maturation in premature infants;Bernbaum;Pediatrics,1983
4. Pacifying effects of non-nutritive sucking on term and preterm neonates during heelstick procedures;Field;Pediatrics,1984