1. Stimulus control of parent or caretaker behaviour by offspring;Bell, R.Q.;Developmental Psychology,1971
2. Roentgenologic studies of the infant's gastrointestinal tract;Bouslog, J.S.; Cunningham, T.D.; Hanner, J.P.; Walton, J.B.; Waltz, H.D.;journal of Pediatrics,1935
3. Psychophysiologic effects in the neonate of prone versus supine placement. J7ournal of;Brackbill, Y.; Douthitt, T.C.; West, H.;Pediatrics,1973
4. British Medical;(Leader). Prone or supine?,;Journal,1961
5. Medical Care of Newborn Babies;Davies, P.A.; Robinson, R.J.; Scopes, J.W.; Tizard, J.P.M.; Wigglesworth, J.S.,1972