N. Helman

Letter: Leukocyte count in smokers.

N. Helman, 1974, The New England journal of medicine.

Sickle cell disease and pregnancy.

N. Helman, 1990, NAACOG's clinical issues in perinatal and women's health nursing.

The effects of age, sex, and smoking on erythrocytes and leukocytes.

N. Helman, L. Rubenstein, 1975, American journal of clinical pathology.

Single-dose antimicrobial prophylaxis at abdominal hysterectomy. Cefamandole vs. cefotaxime.

B. Nobles, P. Blake, D. Hemsell, 1988, Journal of reproductive medicine.