Ritva Valavaara

Radiotherapy treatment planning and long-term follow-up with [11C]methionine PET in patients with low-grade astrocytoma

Joanne Nuutinen, Pirkko Sonninen, Pertti Lehikoinen et al. · International Journal of Radiation Oncology*Biology*Physics · 2000 · 151 citations

Medicine, Nuclear Medicine, Oncology +13

The Ratios of Serum Bioactive/Immunoreactive Luteinizing Hormone and Follicle-Stimulating Hormone in Various Clinical Conditions with Increased and Decreased Gonadotropin Secretion: Reevaluation by a Highly Sensitive Immunometric Assay*

TUNA JAAKKOLA, YING-QING DING, Pirkko Kellokumpu‐Lehtinen et al. · The Journal of Clinical Endocrinology & Metabolism · 1990 · 125 citations

Life Sciences, Endocrinology, Reproductive Endocrinology +16

Safety and Efficacy Results of a Randomized Trial Comparing Adjuvant Toremifene and Tamoxifen in Postmenopausal Patients With Node-Positive Breast Cancer

Kaija Holli, Ritva Valavaara, Guillermo Blanco et al. · Journal of Clinical Oncology · 2000 · 119 citations

Medicine, Oncology, Pharmacotherapy +11

Toremifene, a new antiestrogenic compound, for treatment of advanced breast cancer. Phase II study

Ritva Valavaara, Seppo Pyrhönen, Mirja Heikkinen et al. · European Journal of Cancer and Clinical Oncology · 1988 · 100 citations

Medicine, Oncology, Pharmacology +13

Renal complications of mitomycin C therapy with special reference to the total dose

Ritva Valavaara, E Nordman · Cancer · 1985 · 98 citations

Pharmacy, Oncology, Pharmacotherapy +15