549,539 FETAL Fetal and noenatal physiological measurements : Proceedings of the 4th International Conference on fietal and Neonatal Physiological Neasuremsnts, Noordwijkerhout. the Netherlands 12-15 May 1991. ed Harry N. Lafeber ; co-eds. Jan G, Aarnaudse, Henk W. Jongsma. - Amsterdam [etc.] : Excerpta Medica, 191. - X, 327 s. : il., wykr. ; 25 cm (International Congress Series ; 967) • ISBN 0-444-81438-8