R. Okpara

Attitudes of Nigerians towards blood donation and blood transfusion.

R. Okpara, 1989, Tropical and geographical medicine.

Antibodies to HTLV‐I in Nigerian blood‐donors, their relatives and patients with leukaemias, lymphomas and other diseases

A. Fleming, J. Schneider, G. Hunsmann, 1986, International journal of cancer.

Response to Granulocyte Transfusions in the Alloimmunized Patient

J. Alavi, M. Dahlke, M. Keashen, 1980, Transfusion.

The prognostic significance of leukoerythroblastic anaemia in Nigerians.

R. Okpara, 1985, East African medical journal.

Antibodies to human T-cell leukemia virus types I and III in blood donors from Calabar, Nigeria.

J. Schneider, G. Hunsmann, I. Wendler, 1986, Annals of internal medicine.

HTLV-I antibodies in blood donors, patients with leukaemia, acute malaria and multiple blood transfusion recipients in the Cross River State of Nigeria.

J. Schneider, G. Hunsmann, I. Wendler, 1988, East African medical journal.

Antibodies to human immunodeficiency virus (HTLV-III/LAV) in people from Lagos and Cross River States of Nigeria.

J. Schneider, G. Hunsmann, I. Wendler, 1988, Acta haematologica.

Toxic Hepatitis Caused by Herbal Medicine

R. Okpara, 2000, The Journal of the American Board of Family Medicine.