by Hagar, R. W., Morris, C. R., Vichinsky, E. P.
Published in British journal of haematology (01.05.2006)

by Saraf, S., Brown, R. C., Hagar, R. W., Idowu, M., Osunkwo, I., Kalfa, T. A., Kuypers, F. A., Geib, J., Schroeder, P., Wu, E., Kelly, P., Telen, M. J.
Published in HemaSphere (23.06.2022)

by WANEBO, H. J, COOPER, P. H, HAGAR, R. W
Published in Annals of surgery (01.04.1985)

by HAGAR, Robert Ward, VICHINSKY, Elliott P
Published in Advances in pediatrics (2000)

by Cooper, P H, Wanebo, H J, Hagar, R W
Published in Archives of dermatology (1960) (01.09.1985)