Statistics
Publications
9
Citations
314
H-Index
9
Active since
1970
Birk Sa is an author specializing in medicine, obstetrics, and maternal-fetal medicine.
Publications per year
1970–1981
9
9
Control of human chorionic somatomammotropin levels during pregnancy.
Spellacy Wn, Buhi Wc, Schram Jd et al. · PubMed · 1971 · 70 citations
Medicine, Endocrinology, Obstetrics +10
Treatment of premature labor with ritodrine: a randomized controlled study.
Spellacy Wn, Cruz Ac, Birk Sa et al. · PubMed · 1979 · 67 citations
Medicine, Obstetrics, Pharmacology +15
Plasma growth hormone and estradiol levels in women with uterine myomas.
Spellacy Wn, Le Maire Wj, Buhi Wc et al. · PubMed · 1972 · 43 citations
Medicine, Endocrinology, Gynecology +17
Human placental lactogen and intrauterine growth retardation.
Spellacy Wn, Buhi Wc, Birk Sa · PubMed · 1976 · 39 citations
Vaginal yeast growth and contraceptive practices.
Spellacy Wn, Nardo Zaias, Buhi Wc et al. · PubMed · 1971 · 25 citations
Medicine, Gynecology, Obstetrics +14
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