G. Roy-Ocotla

Aeroalgae: Responses to some aerobiological questions

G. Roy-Ocotla, Jorge Carrera, 1993 .

Nasal cytology in southwest metropolitan Mexico City inhabitants: a pilot intervention study.

L. Calderón-Garcidueñas, G. Roy-Ocotla, 1993, Environmental health perspectives.

Meteorological effects on variation of airborne algae in Mexico

I. Rosas, G. Roy-Ocotla, P. Mosiño, 1989 .

Amoebae isolated from the atmosphere of Mexico City and environs.

G. Roy-Ocotla, F. Rivera, P. Bonilla, 1987, Environmental research.