Keisuke Sunakawa

Association of Amino Acid Substitutions in Penicillin-Binding Protein 3 with β-Lactam Resistance in β-Lactamase-Negative Ampicillin-Resistant <i>Haemophilus influenzae</i>

Kimiko Ubukata, Yumi Shibasaki, Kentarou Yamamoto et al. · Antimicrobial Agents and Chemotherapy · 2001 · 311 citations · Full text

Life Sciences, Infectious Diseases, Microbiology +17

Increased Macrolide Resistance of <i>Mycoplasma pneumoniae</i> in Pediatric Patients with Community-Acquired Pneumonia

Miyuki Morozumi, Satoshi Iwata, Keiko Hasegawa et al. · Antimicrobial Agents and Chemotherapy · 2007 · 174 citations

Life Sciences, Infectious Diseases, Microbiology +17

Diversity of Ampicillin-Resistance Genes in <i>Haemophilus influenzae</i> in Japan and the United States

Keiko Hasegawa, Kentarou Yamamoto, Naoko Chiba et al. · Microbial Drug Resistance · 2003 · 152 citations

Life Sciences, Infectious Diseases, Microbiology +17

Rapidly Increasing Prevalence of β-Lactamase-Nonproducing, Ampicillin-Resistant <i>Haemophilus influenzae</i> Type b in Patients with Meningitis

Keiko Hasegawa, Naoko Chiba, Reiko Kobayashi et al. · Antimicrobial Agents and Chemotherapy · 2004 · 133 citations · Full text

Life Sciences, Infectious Diseases, Microbiology +17

Characterization of oxacillin-susceptible mecA-positive Staphylococcus aureus: a new type of MRSA

Yasuko Hososaka, Hideaki Hanaki, Harumi Endo et al. · Journal of Infection and Chemotherapy · 2007 · 123 citations

Life Sciences, Infectious Diseases, Microbiology +9