41. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
42. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
43. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
44. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
45. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
46. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
47. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
48. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
49. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)
50. [NIH- Unidentified Laboratory Photos] Subject(s): LaboratoriesNational Institute of Health (U.S.)